Raw materials, take the alumina for an example, will be tested before production, including the grit and the rigidity testing. And each batch of the finished goods will be tested in our labtory and get QUALITY PASSED to enter the market. Broken testing to test the wheels' strength, and cutting testing and grinding testing to test the sharpness and the durability .
Yongkang Dengda Abrasives Co., Ltd., established in 1997, is a professional enterprise specializing in the production of resin abrasives, integrating R&D, production and sales.
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