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Premium API 5CT P110 Tubing Casing Coupling for Oil and Gas
US$30.00
1-99 Pieces
US$29.00
100-999 Pieces
US$25.00
1,000+ Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Warranty
Six MonthsSpecification
9-5/8Trademark
DFLModel NO.
BTC R1 R2 R3Origin
ChinaKey features
Anti-Crack Connection Design: Threaded connection avoids stress concentration, preventing cracks and string dropout accidents.
Wide Material Range: Available in H40, J55, K55, N80, L80, C95, T95, and P110 grade steels for high performance.
Multiple Thread Patterns: Supports Short Round, Long Round, Buttress, Non-upset, and Upset thread patterns.
API 5CT Certified: Manufactured under strict API 5CT standards with ISO9001 and BV supplier certifications.
Professional Packaging: Uses plastic or wooden box packaging with oil spray and desiccants to ensure safety.
Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season periods.
Established Manufacturer: Founded in 1999 with 35 senior engineers and full-cycle service capabilities.
Flexible Payment Terms: Accepts LC, T/T, PayPal, and Western Union for convenient international transactions.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2019-06-07Nearest Port: TIANJIN PORT, QINGDAO PORT, SHANGHAI PORTAverage Response Time: ≤15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP
AI-Powered supplier vetting
SummaryTianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd. is a China-based manufacturer founded in 1999, focused on oil pipes, pipe fittings, drilling and production tools, and petroleum automation equipment. The supplier reports ISO 9001 and ISO 14001 certification, 10 production lines, 11–20 years of R&D engineer experience, and 11–20 quality-control staff. It states that its capabilities cover design, development, manufacturing, testing, experimentation, and full-cycle service, supported by more than 30 independent intellectual property rights and an intelligent workshop. The company exports to broad global markets and reports export activity since 2019, but the provided information does not identify specific customer cases or independently verify the stated capabilities.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Tianjin, China. Its stated business focuses on petroleum equipment, oil pipes, pipe fittings, drilling and production tools, and automation equipment, matching the listed industrial product categories.
CertificationsThe supplier reports holding ISO 14001 and ISO 9001 management-system certifications. These are explicit certification records in the provided data, although certificate scope and validity dates are not given.
R&D capabilityThe supplier reports more than 30 independent intellectual property rights, an intelligent workshop, numerical-control automation equipment capabilities, an e-commerce platform, and recognition as a national science and technology-based small and medium-sized enterprise. These statements provide explicit evidence of innovation-related infrastructure and activity.
Production capacityThe supplier describes an integrated chain covering design, development, manufacturing, testing, and experimentation; operates 10 production lines; and has an intelligent workshop. It also reports oil equipment and pipe-related manufacturing experience, with stated order fulfillment within 15 workdays in both off-peak and peak seasons, supporting a positive production-capability assessment.
Customization capabilityThe stated full-cycle integration of design, development, manufacturing, testing, and experimentation, together with numerical-control automation equipment and an intelligent manufacturing model, indicates the ability to develop and manufacture tailored petroleum equipment. However, no specific customized project examples, engineering-change process, or minimum-order requirements are provided.
Product Q&A
Q:What materials are available for the tubing and casing couplings?
A:
We offer couplings made from H40, J55, K55, M65, N80-1, N80Q, L80, C95, T95, and P110 grade steel.
Q:What is the warranty period for these couplings?
A:
The warranty period for our casing and tubing couplings is six months.
Q:What thread patterns are supported?
A:
We provide Short Round Thread (STC), Long Round Thread (LC), Buttress Thread (BC), non-upset, and upset threads.
Q:What are the size ranges for tubing and casing couplings?
A:
Tubing couplings range from 55.88mm to 141.3mm OD, while casing couplings range from 127mm to 365.12mm OD.
Q:How do you ensure product safety during shipping?
A:
We use professional packaging with plastic or wooden boxes, apply oil spray, and include desiccants to prevent corrosion.
Send Inquiry
*To:
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.*Content:
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