carbide rock roller bit is our featured products

Company View                                   

Zhuzhou Tongyi Industrial Co.,Ltd is located in the beautiful and convenient Jinshan industrial zone of Zhuzhou,a key transportation center and medium-sized city heavy industry in Hunan province.

Production Equipment                      

Testing Equipment                            

our company is well equipped with the high-level domestic machines for production and inspection.The company has invited famous cemented carbide experts in China as professional consultants and introduced multitudes of specialized talents.Currently,we can already customize the non-standard orders of special material and specification.Besides,the company has passed the ISO9001:2008 international quality system authentication.

Production Operation                       

To better handle the rapid increase of demand in the domestic cemented carbide market,we will make a further step to develop our products and expand our market,strive to build the company into a competitive private enterprise in the domestic cemented carbide industry and meet the increasing demand to the maximum level.

Enterprise Culture                              

Enterprise Culture
   The company's quality policy:Quality comes first,Customers are supreme,Technology depends on innovation,Strive for the best.
   The company's quality goal:Creat"tongyi"brand and seek for long-term development.
   Our company advocates and makes great efforts to obey the following moral standards:
   1.Our activities are based on mutual trust.
   2.What we say and write is real and accurate.
   3.Always choose the best way to finish all the takes at a high productivity and quality.
   4.Our honest work is dedicated to the contribution to enterprise and society,as well as to the improvement of our lives'quality.

Company Certification                      

CertificateISO9001:2008                    

  Corporate Clients                            

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