ABOUT Zuanbao

Dong'e Zuanbao Diamond Co., Ltd.

Dong'e Zuanbao Diamond Co., Ltd. is a company specializing in the production of synthetic diamonds and diamond products, founded in 1985. The company is located in Dong'a County, Shandong Province—known as the “Hometown of Ejiao”—where it enjoys convenient transportation and a beautiful environment.

Our company employs a team of experienced technical personnel dedicated to product research, development, and production. We are equipped with comprehensive testing facilities and organize production using unique manufacturing processes. Our product range primarily includes polycrystalline synthetic diamonds, diamond composite blades, polycrystalline wire-drawing dies, diamond cutting tools, and diamond grinding wheels. These products are widely used in drilling tools (such as those for the petroleum, metallurgy, and coalfield geology industries), cutting tools, machining, gemstone processing, and other manufacturing sectors. Our signature product, synthetic polycrystalline diamond, comes in a wide variety of types and specifications, including cylindrical, triangular, square, round, rectangular, cubic, and custom shapes. We can tailor production to meet specific customer requirements, with an annual production capacity exceeding 30 million grains, and have secured a significant market share in China. Since 1993, the company’s products have been exported to the European Union, North America, Southeast Asia, Hong Kong, and other countries and regions, earning high praise from domestic and international customers for their excellent technical performance and reliable quality.

Dong’e Zuanbao Diamond Co., Ltd. honors contracts, upholds credibility, and places customers first. We welcome domestic and international customers to use our “Zuanbao” brand series of products.