We are one of the larggest manufacturer of Diamond/CBN Honing stone and grinding wheels.Our products are widely used in Auto parts,Sewing machine parts,Hydraulics,bears etc.
We are a ISO 9001:2000 Certified Company

Zhengzhou Hongtuo Superabrasive Tools Co.,Ltd was founded in 1997.It is a high-tech company engaged in R&D,production,sale and service of superabrasive tools.The company has 350 employees,over 300 sets of manufacturing and testing equipments.With 2 advanced metal bonded and vitrified diamond/CBN honing stones and vitrified diamond&CBN grinding wheels production lines,which can produce750 000 pieces honing stones and 5 000 pieces grinding wheels annually.The company has been granted the ISO9001:2000 certificate in 2000.In the same year,it has been obtained the certificate of “high-new technology company”and “high-new technology products”granted by Science&Technology Division of Henan province.

Our products are widely used in such industries as:automobile parts,motor parts,engine,refrigeration,compressor,aviation,hydraulics,sewing-machine parts and bearings.In respect of product quality,development and production capacity,the company is a leading manufacturer in the industry.it can meet all kinds of requirements.At present,a great parts of our proucts are sold to countries and regions as Europe,Japan,Taiwan and South-East Asian countries.