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Top Supplier Cities : Shenzhen   Qingdao   -  
Apr-28-25
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1. Established: 2008, with 17 years of experience; registered capital of 11.18 million RMB; workshop area of 8000 square meters; annual foreign trade revenue of 20 million RMB.
2. Certifications: Holds import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates.
3. Equipment: The production workshop is equipped with high-precision CNC lathes, thread rolling machines, hydraulic testers, and various inspection instruments.
4. Product Types: Offers J55, K55, N80, L80, P110 oil casings, couplings, short joints, and transition joints.
5. Inventory: Maintains a stock of high corrosion-resistant oil casings such as 80S, 90S, 110S, 1Cr, 3Cr, and 13Cr, with approximately 2,000 tons available year-round.
6. Special Processing: Provides custom processing for direct connection types, tapered types, double-step types, and variable thread types for special sealing threads, as well as copper plating services, producing tens of thousands of special couplings each year.
Sep-06-10
Supplier From Tianjin, Tianjin, China
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Nov-01-19
Supplier From Tianjin, Tianjin, China
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Dec-02-21
Supplier From Tianjin, Tianjin, China
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May-16-16
Supplier From Tianjin, Asian, China
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Aug-15-24
Supplier From Tianjin, China
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Sep-25-25
Supplier From Tianjin, , China
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