Drill collar

The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. MS brand drill collar are manufactured strictly from API Spec.7 and SY5144 standard.
The cost of introducing:
The contact about this company is Fees Information, you must spend a small amount of money to obtain it. Click Here to see the price table.
Contact information:
Company:
Address:
Rugao Yaou Import & Export Trade Co., Ltd
23#, Haiyang North Road, Rugao, Jiangsu, China [226500]
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