Pig house for modernized breeding

The design of detachable partitions and movable fence components solves the problem of fixed pigpen compartment size, enabling flexible adjustment of compartments, improving disease prevention and feeding management efficiency, and promoting healthy pig growth.

CN224139824UActive Publication Date: 2026-04-21YUNNAN JINBEI KANGKANG ECOLOGICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The fixed size of the compartments in existing modern pigsties cannot be flexibly adjusted according to actual needs, resulting in the inability to meet the needs of disease prevention and control and feeding and management of pigs at different growth stages.

Method used

It adopts detachable partitions and movable fence components. By adjusting the position and number of partitions, the compartment space can be flexibly adjusted. The design of the limit bars, connecting bars and gates of the movable fence components supports quick assembly and disassembly and stable adjustment.

Benefits of technology

It enables flexible adjustment of the size of the compartments, improves disease prevention and control capabilities and feeding management efficiency, reduces stress response, and improves the healthy growth of pigs.

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Abstract

The utility model relates to the technical field of pig breeding, in particular to a modernized breeding hog house which comprises a hog house body, a house door is arranged on the hog house body, a plurality of fixing frames are arranged in the hog house body, the interior of each fixing frame is divided into a plurality of compartments through a plurality of partition pieces, the partition pieces are detachably connected with the fixing frames, and the partition pieces are detachably connected with the fixing frames. A movable fence assembly is arranged on the front side of the fixed frame and detachably connected with the fixed frame. According to the pig house for modernized breeding, the sizes of the compartments can be rapidly adjusted according to actual requirements through the detachable separators and the movable fence assemblies, the limiting vertical rods, the connecting rods and the house doors of the movable fence assemblies are fixed through the inserting grooves, the connecting columns and the bolts, the stability of the fences is guaranteed, rapid disassembly and assembly are supported, the compartment adjusting process is simplified, and the cost is reduced. The manual operation intensity is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of pig farming technology, specifically a modern pigsty. Background Technology

[0002] Pig farming refers to agricultural production activities involving the feeding, breeding, and management of pigs through specialized facilities and management measures. It is one of the most important forms of meat production globally, boasting significant economic benefits and market demand. As consumers increasingly prioritize meat quality and safety, modern pig farming is gradually moving towards intelligent, standardized, and environmentally friendly practices. This transformation not only requires farmers to improve their breeding techniques and management levels but also necessitates the use of efficient and flexible farming facilities.

[0003] Patent publication number CN216961059U discloses a modern pigsty, which includes: a main body, a ventilation system, a temperature sensor, a cooling system, a heat exchange pipe, a water supply pipe, a metering water valve, an automatic feeding device, and a controller. Through the above design, this invention can enhance the cooling effect inside the pigsty while effectively heating it, achieving energy conservation and emission reduction, lowering breeding costs for farmers, and facilitating temperature regulation within the pigsty.

[0004] Although existing technologies can effectively control the operation of ventilation and cooling devices to provide a suitable growth environment for pigs, the individual compartments used for housing pigs in modern pigsties are usually fixed after construction, and their sizes cannot be flexibly adjusted according to actual needs. In some cases, breeding needs may change, specifically in the following situations:

[0005] 1. Disease Prevention and Control: In the event of an outbreak, farmers may need to reduce the number of pigs in certain enclosures for isolation and observation. In this situation, flexible enclosure design can better meet the needs of disease prevention and control, and prevent the spread of the epidemic.

[0006] 2. Feeding and Management Needs: Pigs at different growth stages have different space requirements. For example, suckling piglets need more space for the sow and piglets to move around, while fattening pigs need appropriate space to promote their healthy growth. Therefore, being able to adjust the size of the enclosures can better adapt to the feeding and management needs at different stages.

[0007] Based on the above considerations, we propose a modern pigsty with a flexible and adjustable partition structure to meet different breeding needs, improve the flexibility and efficiency of breeding management, and help farmers cope with market changes. Utility Model Content

[0008] The purpose of this invention is to provide a modern pigsty to solve the problems mentioned in the background art.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A modern pigsty includes the pigsty body, which provides an enclosed breeding space and houses internal components, combined with... Figure 1 and Figure 2 As shown, the pigsty body is equipped with a door for personnel and pigs to enter and exit. The pigsty body has multiple fixed frames, which serve as the basic structure supporting the compartments. The fixed frames are divided into multiple compartments by multiple partitions, forming independent breeding areas. The partitions are detachably connected to the fixed frames, and the size of the compartment space can be adjusted by adjusting the position or number of the partitions. The front side of the fixed frames is equipped with a movable fence assembly, which is detachably connected to the fixed frames. The movable fence assembly is designed to adapt to the adjustment of the compartments. When the compartment space is adjusted, the corresponding position of the pen door also needs to be adjusted.

[0011] Preferred, such as Figure 3 As shown, the fixed frame includes a frame-shaped base, which is set on the ground or support plate of the breeding area inside the pig house as a bottom support platform. The four corners of the top of the frame-shaped base are provided with corner columns to provide vertical support. A fixed crossbar is provided between the two rear corner columns and at the top position, which is horizontally connected to the rear corner columns. The bottom of the fixed crossbar is provided with a plurality of first fixed vertical bars arranged equidistantly from left to right. The bottom of the first fixed vertical bars is fixedly connected to the top of the frame-shaped base to form a fixed fence.

[0012] A fixed vertical bar is provided between the two corner columns that are arranged opposite each other and at the top position, which connects the front and rear corner columns longitudinally. At the bottom of the fixed vertical bar, there are multiple second fixed vertical bars arranged at equal intervals. The bottom of the second fixed vertical bars is fixedly connected to the top of the frame base to form a fixed fence.

[0013] Preferred, combined Figure 6 and Figure 7 As shown, the movable fence assembly includes multiple limiting vertical bars, which are vertically fixed to the frame base and support the fence. The top of the frame base and near the front side are provided with multiple slots arranged equidistantly to the left and right to fix the bottom end of the limiting vertical bars. The bottom end of the limiting vertical bars is inserted into the slot. The two corner posts at the front are provided with positioning protrusions on opposite sides near the top to limit the displacement of the limiting vertical bars. The opposite sides of the two positioning protrusions are provided with clearance openings to avoid the limiting vertical bars, which play an auxiliary positioning role for the leftmost and rightmost limiting vertical bars and prevent the upper part of the limiting vertical bars from bending forward or backward.

[0014] The outer wall of the limiting vertical bar is provided with a first fixed horizontal plate near the top and bottom ends. The top of the first fixed horizontal plate is provided with a first connecting post near the left and right ends. Adjacent limiting vertical bars are detachably connected by a connecting rod. The connecting rod connects the limiting vertical bars laterally and reinforces the fence. The bottom of the connecting rod is provided with a round hole for the first connecting post to pass through near the left and right ends. Two connecting rods are provided between adjacent limiting vertical bars, so that multiple continuously arranged limiting vertical bars are connected together to improve stability. When the position of the gate needs to be adjusted, it is also convenient for workers to quickly disassemble and assemble the limiting vertical bars at the corresponding positions.

[0015] The movable fence assembly also includes multiple gates, each corresponding to a multiple compartment, providing an access door for the compartment to facilitate staff entry and exit. Each gate has a second fixed horizontal plate on its right side near the top and bottom. The bottom of the second fixed horizontal plate has a second connecting post near the right side. The second connecting post passes through the round hole of the adjacent connecting rod. The gate is rotatably connected to the adjacent limiting vertical rod through two connecting rods, making it easy for staff to open the gate.

[0016] A rectangular sleeve plate is provided on the left side of the gate, and a hook-shaped fixing plate is inserted into the rectangular sleeve plate. The hook-shaped fixing plate is sleeved on the adjacent limiting vertical rod. A second fixing bolt is threaded to the front side of the rectangular sleeve plate. The threaded end of the second fixing bolt abuts against the front side of the hook-shaped fixing plate. When the gate is closed, the concave surface of the hook-shaped fixing plate abuts against the outer wall of the adjacent limiting vertical rod on the left. When the worker needs to open the gate, the worker loosens the second fixing bolt, then pulls the hook-shaped fixing plate to the left to separate the hook-shaped fixing plate from the limiting vertical rod, and then rotates the gate outward.

[0017] Preferred, combined Figure 4 and Figure 5 As shown, the partition includes a partition plate that directly divides the partition boundaries. Three fixed protrusions are provided on the front and rear edges of the left side of the partition plate, which are arranged vertically and vertically at equal intervals. These protrusions are connected to rectangular movable rods to adjust the position of the partition plate. Each fixed protrusion has a rectangular movable rod running through its side, which facilitates the forward and backward movement of the U-shaped connecting block. This allows the partition to move left and right and be disassembled within the fixed frame. The opposite sides of the two rectangular movable rods arranged in a front-to-back configuration are provided with anti-detachment blocks to prevent the rectangular movable rods from separating from the fixed protrusions.

[0018] The two rectangular movable rods arranged in opposite directions each have a U-shaped connecting block on their opposite sides. The right side of the U-shaped connecting block is threaded with a first fastening bolt. The front U-shaped connecting block is locked to the outside of the corresponding limiting vertical rod by the first fastening bolt, and the rear U-shaped connecting block is locked to the outside of the corresponding first fixed vertical rod by the first fastening bolt, thus fixing the position of the separator.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This modern pigsty, with its detachable partitions and movable fence components, allows for quick adjustment of the compartment size according to actual needs. For example, during an outbreak, the compartments can be reduced to isolate sick pigs, or expanded during the lactation period of sows to provide ample space for movement, effectively improving disease prevention and control capabilities and feeding management efficiency.

[0021] 2. In this modern pigsty, the movable fence components, including the limiting rods, connecting rods, and pen gates, are fixed with slots, connecting posts, and bolts. This design ensures the stability of the fence, supports quick assembly and disassembly, simplifies the partition adjustment process, and reduces the intensity of manual operation.

[0022] 3. This modern pigsty scientifically divides the space into compartments to meet the activity needs of pigs at different growth stages, reduce stress caused by overcrowding, and promote healthy growth. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is one of the partial structural schematic diagrams of this utility model;

[0025] Figure 3 This is a schematic diagram of the fixed frame structure in this utility model;

[0026] Figure 4 This is the second partial structural schematic diagram of the present utility model;

[0027] Figure 5 This is a schematic diagram of the separator component in this utility model;

[0028] Figure 6 This is the third partial structural schematic diagram of this utility model;

[0029] Figure 7 This is a schematic diagram of the movable fence component in this utility model.

[0030] In the diagram: 100, Pigsty body; 110, Pigsty door; 200, Fixed frame; 210, Frame-shaped base; 211, Slot; 220, Corner post; 221, Positioning protrusion; 2211, Clearance opening; 230, Fixed crossbar; 231, First fixed vertical bar; 240, Fixed longitudinal bar; 241, Second fixed vertical bar; 300, Divider; 310, Partition; 320, Fixed protrusion; 330, Rectangular movable rod; 340. U-shaped connecting block; 350, first fastening bolt; 360, anti-detachment block; 400, movable fence assembly; 410, limiting vertical bar; 411, first fixed horizontal plate; 4111, first connecting post; 420, connecting rod; 421, round hole; 430, gate; 431, second fixed horizontal plate; 4311, second connecting post; 432, rectangular sleeve plate; 433, hook-shaped fixing plate; 434, second fixing bolt; 500, compartment. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] Please see Figures 1-7 This utility model provides a technical solution:

[0034] A modern pigsty includes a pigsty body 100, which provides an enclosed breeding space and houses internal components, combined with... Figure 1 and Figure 2As shown, the pigsty body 100 is equipped with a door 110 for personnel and pigs to enter and exit. The pigsty body 100 has multiple fixed frames 200, which serve as the basic structure supporting the compartments 500. The fixed frames 200 are divided into multiple compartments 500, which are independent breeding areas, by multiple partitions 300. The partitions 300 are detachably connected to the fixed frames 200. The size of the compartments 500 can be adjusted by adjusting the position or number of partitions 300. The front of the fixed frames 200 is equipped with a movable fence component 400. The movable fence component 400 is detachably connected to the fixed frames 200. The movable fence component 400 is designed to accommodate the adjustment of the compartments 500. When the space of the compartments 500 is adjusted, the position of the corresponding door 430 also needs to be adjusted.

[0035] In this embodiment, as Figure 3 As shown, the fixed frame 200 includes a frame-shaped base 210, which is set on the ground or support plate of the breeding area inside the pig house body 100 as a bottom support platform. The four corners of the top of the frame-shaped base 210 are provided with corner columns 220 to provide vertical support. A fixed crossbar 230 is provided between the two rear corner columns 220 and at the top position, which is horizontally connected to the rear corner columns 220. The bottom of the fixed crossbar 230 is provided with multiple first fixed vertical bars 231 arranged equidistantly from left to right. The bottom of the first fixed vertical bars 231 is fixedly connected to the top of the frame-shaped base 210 to form a fixed fence.

[0036] Fixed vertical bars 240 are provided between the two corner posts 220 that are set opposite each other and at the top position. They are longitudinally connected to the corner posts 220. At the bottom of the fixed vertical bars 240, there are multiple second fixed vertical bars 241 arranged at equal intervals. The bottom of the second fixed vertical bars 241 is fixedly connected to the top of the frame base 210 to form a fixed fence.

[0037] Specifically, in combination Figure 6 and Figure 7 As shown, the movable fence assembly 400 includes multiple limiting vertical bars 410, which are vertically fixed to the frame base 210 and support the fence. The top of the frame base 210 and near the front side are provided with multiple slots 211 arranged equidistantly to the left and right to fix the bottom of the limiting vertical bars 410. The bottom of the limiting vertical bars 410 is inserted into the slots 211. The opposite sides of the two front corner posts 220 and near the top are provided with positioning protrusions 221 to limit the displacement of the limiting vertical bars 410. The opposite sides of the two positioning protrusions 221 are provided with clearance openings 2211 to avoid the limiting vertical bars 410, which play an auxiliary positioning role for the leftmost and rightmost limiting vertical bars 410 and prevent the upper part of the limiting vertical bars 410 from bending forward or backward.

[0038] The outer wall of the limiting vertical rod 410 is provided with a first fixed horizontal plate 411 near the top and bottom ends. The top of the first fixed horizontal plate 411 is provided with a first connecting post 4111 near the left and right ends. Two adjacent limiting vertical rods 410 are detachably connected by a connecting rod 420. The connecting rod 420 connects the limiting vertical rods 410 laterally and reinforces the fence. The bottom of the connecting rod 420 is provided with a round hole 421 near the left and right ends for the first connecting post 4111 to pass through. Two connecting rods 420 are provided between two adjacent limiting vertical rods 410, so that multiple continuously arranged limiting vertical rods 410 are connected together to improve stability. When it is necessary to adjust the position of the gate 430, it is also convenient for the staff to quickly disassemble and install the limiting vertical rods 410 at the corresponding positions.

[0039] The movable fence assembly 400 also includes multiple gates 430, which correspond to multiple compartments 500 respectively, providing access doors for the compartments 500 to facilitate staff entry and exit. Each gate 430 has a second fixed horizontal plate 431 on its right side and near its top and bottom ends. The bottom of the second fixed horizontal plate 431 and near its right side has a second connecting post 4311. The second connecting post 4311 passes through the round hole 421 of the adjacent connecting rod 420. The gate 430 is rotatably connected to the adjacent limiting vertical rod 410 through the two connecting rods 420, making it easy for staff to open the gate 430.

[0040] A rectangular sleeve plate 432 is provided on the left side of the ring gate 430. A hook-shaped fixing plate 433 is inserted into the rectangular sleeve plate 432. The hook-shaped fixing plate 433 is sleeved on the adjacent limiting vertical rod 410. A second fixing bolt 434 is threadedly connected to the front side of the rectangular sleeve plate 432. The threaded end of the second fixing bolt 434 abuts against the front side of the hook-shaped fixing plate 433. When the ring gate 430 is closed, the concave surface of the hook-shaped fixing plate 433 abuts against the outer wall of the adjacent limiting vertical rod 410 on the left. When the operator needs to open the ring gate 430, the operator loosens the second fixing bolt 434, then pulls the hook-shaped fixing plate 433 to the left to separate the hook-shaped fixing plate 433 from the limiting vertical rod 410, and then rotates the ring gate 430 outward.

[0041] Furthermore, in combination Figure 4 and Figure 5As shown, the partition 300 includes a partition plate 310 that directly divides the boundary of the compartment 500. Three fixed protrusions 320 are provided on the front and rear edges of the left side of the partition plate 310, which are arranged vertically and vertically at equal intervals. A rectangular movable rod 330 is connected to the partition plate 310 to adjust its position. A rectangular movable rod 330 is provided through the side of each fixed protrusion 320 to facilitate the forward and backward movement of the U-shaped connecting block 340. This facilitates the left and right movement and disassembly of the partition 300 inside the fixed frame 200. Anti-detachment blocks 360 are provided on the opposite sides of the two rectangular movable rods 330 arranged in a front and rear manner to prevent the rectangular movable rods 330 from separating from the fixed protrusions 320.

[0042] Two rectangular movable rods 330 arranged opposite each other are provided with U-shaped connecting blocks 340 on their opposite sides. The right side of the U-shaped connecting block 340 is threaded with a first fastening bolt 350. The front U-shaped connecting block 340 is locked to the outside of the corresponding limiting vertical rod 410 by the first fastening bolt 350, and the rear U-shaped connecting block 340 is locked to the outside of the corresponding first fixed vertical rod 231 by the first fastening bolt 350, thus fixing the position of the separator 300.

[0043] In this embodiment of the modern pigsty, when in use, firstly, according to the breeding needs, the partition 310 of the dividing member 300 is adjusted to the required position, and the front U-shaped connecting block 340 is locked to the outside of the corresponding limiting vertical bar 410 by the first fastening bolt 350, and the rear U-shaped connecting block 340 is locked to the outside of the corresponding first fixed vertical bar 231 by the first fastening bolt 350, thus fixing the position of the dividing member 300 to divide the compartments 500 of different sizes; then, the bottom end of the limiting vertical bar 410 of the movable fence assembly 400 is inserted into the slot 211 of the frame base 210, and the first fixed horizontal plate 411 is used to fix the position of the dividing member 300. The first connecting post 4111 and the round hole 421 of the connecting rod 420 connect the adjacent limiting vertical rods 410 laterally to form the front fence; at the same time, the second connecting post 4311 of the ring gate 430 is inserted into the round hole 421 of the connecting rod 420, so that it can rotate around the limiting vertical rod 410, and is locked in the closed state by the hook-shaped fixing plate 433 and the second fixing bolt 434; when it is necessary to adjust the size of the compartment 500, the first fastening bolt 350 is loosened to move the partition plate 310 of the partition 300, and the limiting vertical rod 410 and the connecting rod 420 are disassembled and rearranged. Finally, the position of the ring gate 430 is adjusted synchronously to complete the flexible configuration of the compartment 500.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A modernized pig house for pig farming, comprising a pig house body (100), a house door (110) is arranged on the pig house body (100), characterized in that: The pigsty body (100) is provided with multiple fixed frames (200), and the fixed frames (200) are divided into multiple compartments (500) by multiple partitions (300). The partitions (300) are detachably connected to the fixed frames (200). The front side of the fixed frames (200) is provided with a movable fence assembly (400), and the movable fence assembly (400) is detachably connected to the fixed frames (200).

2. The modernized pig house for farming according to claim 1, characterized in that: The fixed frame (200) includes a frame-shaped base (210), and corner posts (220) are provided at the four corners of the top of the frame-shaped base (210). A fixed crossbar (230) is provided between the two corner posts (220) at the top. Multiple first fixed vertical bars (231) are provided at the bottom of the fixed crossbar (230) and are arranged equidistantly from left to right. The bottom of the first fixed vertical bars (231) is fixedly connected to the top of the frame-shaped base (210).

3. The modernized farrowing house according to claim 2, characterized in that: Fixed vertical rods (240) are provided between the two corner columns (220) that are arranged opposite each other and at the top position. Multiple second fixed vertical rods (241) are provided at the bottom of the fixed vertical rods (240) and are arranged at equal intervals. The bottom of the second fixed vertical rods (241) is fixedly connected to the top of the frame base (210).

4. The modernized pig house for farming according to claim 2, characterized in that: The movable fence assembly (400) includes multiple limiting vertical bars (410). The top of the frame base (210) and near the front side are provided with multiple slots (211) arranged equidistantly from left to right. The bottom end of the limiting vertical bar (410) is inserted into the slot (211). The two front corner posts (220) are provided with positioning protrusions (221) on opposite sides and near the top. The two positioning protrusions (221) are provided with clearance openings (2211) on opposite sides to avoid the limiting vertical bars (410).

5. The modernized farrowing house according to claim 4, characterized in that: The outer wall of the limiting vertical rod (410) and near the upper and lower ends are provided with a first fixed horizontal plate (411). The top of the first fixed horizontal plate (411) and near the left and right ends are provided with a first connecting post (4111). Two adjacent limiting vertical rods (410) are detachably connected by a connecting rod (420). The bottom of the connecting rod (420) and near the left and right ends are provided with a round hole (421) for the first connecting post (4111) to pass through.

6. The modernized farrowing house according to claim 5, characterized in that: The movable fence assembly (400) also includes multiple gates (430), each of which corresponds to a multiple compartment (500). Each gate (430) has a second fixed horizontal plate (431) on its right side and near its upper and lower ends. The second fixed horizontal plate (431) has a second connecting post (4311) at its bottom and near its right side. The second connecting post (4311) passes through the round hole (421) of the adjacent connecting rod (420).

7. The modern pigsty according to claim 6, characterized in that: A rectangular sleeve plate (432) is provided on the left side of the ring gate (430). A hook-shaped fixing plate (433) is inserted into the rectangular sleeve plate (432). The hook-shaped fixing plate (433) is sleeved on the adjacent limiting vertical rod (410). A second fixing bolt (434) is threadedly connected to the front side of the rectangular sleeve plate (432). The threaded end of the second fixing bolt (434) abuts against the front side of the hook-shaped fixing plate (433).

8. The modernized farrowing house of claim 4, wherein: The separator (300) includes a partition (310). Three fixed protrusions (320) are provided on the front and rear edges of the left side of the partition (310) and are arranged at equal intervals. A rectangular movable rod (330) is provided through the side of each fixed protrusion (320). Anti-detachment blocks (360) are provided on the opposite sides of the two rectangular movable rods (330) arranged in opposite directions.

9. The modernized farrowing house according to claim 8, characterized in that: The two rectangular movable rods (330) arranged in opposite directions are provided with U-shaped connecting blocks (340) on their opposite sides. The right side of the U-shaped connecting block (340) is threaded with a first fastening bolt (350). The front U-shaped connecting block (340) is locked to the outside of the corresponding limiting vertical rod (410) by the first fastening bolt (350), and the rear U-shaped connecting block (340) is locked to the outside of the corresponding first fixed vertical rod (231) by the first fastening bolt (350).

Citation Information

Patent Citations

  • Modern hog house

    CN216961059U