China Tungsten Carbide Seal Rings Companies List

DAAO Industry Co. , Ltd（since 2003 ) is a leading professional tungsten carbide manufacturer in Chengdu China. Companies adhere to the "leading technology, scientific management, first-class quality" the quality policy, the company strictly implement ISO9001:2008 quality system, the technical standard formulation, in such aspects as production, quality control, technical facilities to achieve or exceed national standards, to ensure that the company continued to efficiently provide customers with