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Dunhua Zhengxing Abrasives Co., Ltd. engaged in the production and processing of special ceramic materials began in 1987 in Heilongjiang Province Mudanjiang Ning'an Zhengxing Abrasives factory. In June 1999, Dunhua development zone was registered and renamed as Dunhua Zhengxing Abrasives Co., Ltd. It is a professional manufacturer of boron carbide powder that conforms to international quality standards such as fepa (f4tof1200), GB / t-2481-1998, JIS, ANSI and nuclear standards. The scientific research center has a complete set of chemical index detection equipment and laser particle size analyzer approved by many countries, such as American Kurt ls13320, British malvern2000, German J. engelsmanagstavii vibro densitometer, American lecotc400 nitrogen and oxygen analyzer and American lecocs-230. It is mainly engaged in the preparation and research and development of engineering ceramics series boron carbide powder products for aerospace, nuclear industry and military protection. With independent import and export rights, "Zhengxing" brand boron carbide products 95% have been exported to Europe, the United States, Japan, South Korea, India, Hong Kong and other countries and regions, its high-quality products are well-known at home and abroad customers.

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