Beijing Bojunhuanyu Technology Development Co., Ltd.
China Manufacturer with main products: Dc, Dp, Drill Rig, Drill Bit, Mud Pump, Fishing Tools, Downhole Pipe, Elevator |
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Export Markets: | North America, Eastern Europe, Africa, Mid East |
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Specifications
Drill collar manufactured by alloy steel. Heat treated wholly, produced according API 7-1
MAINLY AS FOLLOWING TYPES:
·Ordinary drill collar
·DC with slip groove
·DC with elevator groove
·DC with spiral groove
Non-magnetic drill collar
The non-magnetic DC produced with low cardon Cr-Mn austenitic alloy steel, featured with low magnetic permeability, good mechanical propties, intergranular anti- corrosion chemical composition and anti-abrasion
Service Guarantee
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Free Service Charge
ECVV doesn't charge any service fee to Buyers for buying this product.
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ECVV Supply
ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.
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Product Quality Commitment
ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.
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Deposit Service Commitments
In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.
After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.
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