Currently, the manufacturer's demand chain production quality to satisfy our customers. The study found that in the production chain. When the chain to verify the process. Found that the chain assembly is completed. When the measurement chain then stretching that actually measured distance is greater than the calculated distance. Thus, this research aims to improve the quality of the chain were divided into three treatment process is mold in stamping process. Temperature and time in the process of heat treatment and management in the assembly process. The reasons mentioned above, the preparation thus recognizes the importance of the production chain. To get the chain is effective and meets the needs of our clients and we have a project to improve the quality of the production chain in order to control the size and length of the chain.
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