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Quality Control

Based on ISO9001-2008 rules requirement, lyjw  set up a standard Quality control system, from row material to the products information feed back, we make the detailed documents record and reports. The rules and measurement tools recheck twice a year.

material quality control:Place the order----- purchase and QC witness check the material stove no. type of the steel, marks and inspection and test certificate will be reviewed.

Checking the process of forging----heart treatment process witness check---witness check the mechanical test and chemical analysis and take photos reviewed the test and inspection report. Checking the packing and transport progress confirmed the deliveries. 

lyjw  inspector and purchase make report for all the process of forging parts.

Material will be rechecked before move in lyjw stock, lyjw inspector check the mark and specimen, confirm the forging part’s quality.  


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