1. We have been strictly controlled the quality of our raw materials accroding to ISO9001 and CE standard and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.
2. Immediate inspection will be done for each production procedure, and full examination will be implemented for products.

3. We have a specilized quality control to conduct sample inspection of our products and we will put the products in stock after passing the test.