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Room 6010, Floor 6, Zhonghai City Plaza, Huangbohai New District, Yantai City, Shandong Province,China
Drill Collar
Standard & Specification: API 5CT , API 5B, ISO 11960 , GOST
Steel Grade: H40, J55, K55, N80, L80-1, C90, C95C T95, P110 , M65
Approved Marine Certificate: ABS/BV/LR/DNV/GL/KR, CCS , EN10204 3.2 MTC
Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/MR0103/ISO15156
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Product: Drill Collar
Standard:API SPEC 7-1
Steel grade:AISI 4145H
Sizes:3 1/8" -- 11"
Connected Type:NC, IF, REG
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Standard:API SPEC 7-1
Steel grade:AISI 4145H
Sizes:3 1/8" -- 11"
Connected Type:NC, IF, REG

We specialize in supply chain services for pipeline system projects in the oil and gas transportation, refining and chemical, marine and offshore, platforms, nuclear energy, and wind energy markets.
Contact Us
E-mail:
Mobile Phone:
Address:
Room 6010, Floor 6, Zhonghai City Plaza, Huangbohai New District, Yantai City, Shandong Province,China
SAF Coolest v1.3 设置面板 MHSSX-ZEIV-OWSZE-ZWE
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