1：Pre-production : Check the production schedule provided by product department. Study the techniques to ensure that every procedure will lead to the proper quality.
2：In-production : Following up the production to ensure that all are following the procedures. Do necessary tests during the production.
3：After production in mill: Test and check on the finished product. Make sure that all materials are eligible and in accordance with the requirements
4：Before loading in our pre-shipment inspection warehouse: all material will be delivered from mill to our pre-shipment warehouse for loading onto containers, we perform a second time inspection on the finished product before loading in our warehouse.
