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Weigao Petroleum Drilling Tools Manufacturing Co., Ltd.
China Manufacturer with main products: Drill Collar, Kellys, Intergral Heavy Weight Drill Pipe, non-excavation drill pipe |
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| Place of Origin: | Shanxi in China |
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Specifications
* Specification: 2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4"
* Kellys are the drive section of the whole drill stem.
* The manufacturing of the products refers to the standard of SY/T6509-2000 or API SPEC. 7-1.
* AISI4145H alloy steel is used in producing the kellys.
* Kellys'end, drive cross-section and joint are all processed and tested in terms of API.
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
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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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