Sunnen grinding stone
Zhengzhou hongtuo precision tools co.,ltd specialize in finish machining includes grinding wheel and honing stone and
honing tool,at present, we have more than 350 employees ,over 300 sets of manufacturing facilities and 40 setd of testing
equipment, with 3 advanced metal bond honing stone,vitrified bond and resin bond CBN &diamond production lines. we also got ISO9001:2000 certifaiction in 2006,and provide grinding wheel and honing stone more than 50% in China market,"hong tuo" sounds like a quality assurance for automobile and refrigeration compressor manufacturer.
Our customer include GM,GREE AND etc,meanwhile we export our products to Europe,America,and Southeast Asia countries since 2008,also get pretty good respond.
Audited Supplier 
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