1. Before all orders are placed, each department will review the contract layer by layer to ensure the feasibility of each order, and formulate a production plan to ensure smooth production.
2. Determine the process and processing materials before mass production, strictly control all raw and auxiliary materials, carry out quality testing on all materials, all raw materials have reached the level of customer approval, and have advanced and complete equipment for testing: non-destructive testing, hardness testing, salt Fog test, boil test, etc.
3. Continuous testing is carried out during the production process, and the experimental records are kept for a long time. The finished products are 100% inspected before leaving the factory, and are packaged in strict accordance with the standard.