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zhengzhou DeChang Abrasive materirl Technology co;ltd is a high-tech manufacturing firm dealing in production, R&D and sale of Platelet Calcined Alumina Powder (series of PCA products). We have assembly line of advanced international level and first-rate staff, own Coulter Multisizer II and other high precision Quality Control equipment. In addition to being excellent as a lapping agent for silicon wafers, our products are rapid finisher of optical materials, liquid crystal displays, large screen monitor,...
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