We are offering coal mining bits holders.Our company adhere to the business philosophy combining specialization and diversification , advance continuous improvement and development of the industrial chain. Currently we have eight subsidiary companies:1.shandong tiankai tungsten industry co., ltd.- -alloy production2.liaocheng tianyi road machinery co., ltd. - - road milling picks production3.shandong tianshan rock drilling tools co., ltd. - -rock drilling tools production4.shandong tianyin mold co., ltd. - -mold, shield tail brush production5.shenzhen tiano shield engineering co., ltd. -- shield construction consulting, maintenance and improvement of the shield machine.6.shandong tiangong tool sales co., ltd.--domestic market sales7.techgong(shanghai) international trade co., ltd.--overseas market except australia8.techgong mining & engineering services pty ltd. - australia and new zealand market sales.Company quality principle:quality is our life;innovation is the driving force;continuous improvement for customer satisfaction!
shanghai, China
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Bruce (Shanghai Techgong trading)
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