ZHENGZHOU TONGFEI TRADE CO.,LTD ,over the years ,companies continue to adaptto enterprise development ,the purchase of advanced production equipment,improve the process conditions and strengthen internal management,and continuously improve the quality of new products.the increasing scale of production The company is located in zhengzhou city .the covers an area of 30000 square meters,staff and sales of more than 400 people,with international advanced lever of production technology and production equipment,and a number of abrasives esperts to join,is a collection of scientific research,development, production,sales of integrated enterprise.The company has adopted the ISO9001:2000 international quality system certification,with reliable quality assurance and the strength of the abrasive production enterprises.