Zhengzhou Hongtuo Superabrasive Products Co., Ltd., established in 1997, is an ISO9001:2000 certified company specializing in the R&D, production, sale and service of diamonds, CBN honing stones and grinding wheels. We have more than 350 employees, over 300 sets of manufacturing facilities and 3 advanced production lines for metal bond super-abrasive honing stones, diamonds and CBN grinding wheels and ultra thin cutting wheels, with an annual production capability of 1 million pieces of honing stones and 8000 pieces of grinding wheels.



We have an R & D center with a...