1.full size with high quality and reasonable 2.more durale 3.we are the manufacturer of pdc cutter bits

Hejian Zhankui DrillingSpare Parts Company was established in 1980. Suppliing Tricone bits (newand renew),PDC bits ,drill pipe drill collar ,put together the long diameter bits and so on drilling equipment for petroleum&gas ,water well ,mining and tectonic industries.It's a maching and trade company .

   The company has superior geographic location with east from tianjin port and north from Beijing city .

   With our tenet that honesty and credit ,hight quality ,we are enterprising and innovative.In the international market ,we have acquired excellent repution as regular supplier to Amercia and Middle East .

drag bits, cutter bits ,pdc cutter bits