No matter under any circumstances, deliver the best quality products and the most satisfactory service to the place designated by the customer on time within the given time. And ensure that there is no difference in the appearance and internal quality between the ordered products and samples as well as the contract constraints; No difference in chemical composition; There is no difference in hardness.

　　The following is the inspection certificate of SGS, the third party inspection agency selected by the customer for the inspection, which meets the customer's technical requirements and is supervised by the third party for the shipment.

　　SGS inspection to prove Click to enter product details

　　SGS inspection to prove Click to enter product details