Grinding tool: Yantai Zhifu Kelly Diamond Grinding Tool Factory, located in the coastal city with beautiful scenery, is the earliest enterprise of diamond production in the province. With strong technology and advanced technique, the co***ny cooperates with the Ministry of Metallurgy of the state to develop and produce various diamond emery wheels, CBN grinding wheels, bronze grinding wheels, glass rub wheel, diamond/CBN honing stripes and other series products, of which the agglomerant of grinding wheel...
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