rock bits

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[CN] Urumqi SRT Machinery Equipment Co.,Ltd [Manufacturer]
Key Products/Services:
Business Overview: Urumqi SRT Machinery Equipment Co., Ltd.. Was established in 2011,located in Urumqi which is in XinJiang,and enjoys good location and convenient transporta...

[CN] Hebei ZhanKui Drill Equipment Company [Manufacturer]
Key Products/Services:
Business Overview: We are Hebei ZhanKui Drill Equipment Company in China. One of the largest drill equipment company producing new drill pipe, tricone bits, PDC bits and also ...