Changsha Naiqiang Superabrasives Co., Ltd. is a china base manufacture and exporter of super hard abrasives, as one of the largest professional producers of synthetic diamond powder and micron powder (used for lapping , polishing, grinding, drilling. etc.) Our products (RVD, MBD, CBN, RVG and micro-powder) are all manufactured according to the national standard. With an workshop area of 2500 m2, which located in Changsha, Hunan province, China. we are specialized in R&D, production, focus ...