The invention discloses a
system and a method for coded message circulation and isolation of sampling,
sample preparation and sample test of raw materials, and relates to a sensitive data flow information isolating method for a large amount of raw materials for a quality
system of an iron and steel enterprise. The
system is composed of a sampling encoding module, a
sample preparation encoding module, a sample test encoding module, a bar
code module, an
authority control module and a data storage module, wherein the data obtained by the sampling encoding module, the
sample preparation encoding module, the sample test encoding module and the bar
code module are stored by the data storage module and subjected to
authority control management through the
authority control module; and the data stored in the data storage module are circulated among the sampling encoding module, the sample preparation encoding module, the sample test encoding module and the bar
code module through internet along with sample circulation. The system and the method have the advantages that suppliers are isolated from in-
plant quality flow, the encoding is isolated from actual operation staff, therefore operation chains above and below cannot be linked, two-dimensional bar codes are used for circulation outside the system, encoding content cannot be seen, and information isolation effects are achieved.