1. Purchasing raw materials according to customer needs.
Second, the raw material storage inspection, mainly to detect the color difference, bending, hardness, MEK, impact and other performance tests of the sample Third, testing the finished product.
A Strictly check whether the appearance of the finished product is qualified.
B Strictly check the performance of finished product color difference, bending, hardness, MEK, impact, etc.
C Strictly check whether the packaging is qualified.