Gold Index: 1202
Hebei Zhankui Drilling Equipment Co.,LTD [China (Mainland)]
Business Type:Manufacturer, Trading Company, Distributor/Wholesaler Country/Region: China (Mainland)
drill bits
Some information about TCL bits series 437 Soft Formation TCI Tricone Bits The 427 tci bits are used to drill low compressive strength,very soft
2011-02-27