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OCTG Bow Spring Centralizer and Stop Collar Rigid Casting Pipe Fittings
US$5.00
10-999 Pieces
US$4.50
1,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
After-sales Service
1yearsWarranty
1yearsTransport Package
Pallets with FilmSpecification
1100*990Trademark
EastlongOrigin
ChinaHS Code
7307990000Production Capacity
1500000pieces/YearKey features
API 5CT Compliance: Products strictly adhere to API 5CT and API 5B standards for oil and gas applications.
Wide Grade Range: Available in J55, K55, N80, L80, and P110 grades to suit various downhole conditions.
Multiple Thread Types: Offers both NUE (Non-Upset End) and EUE (Upset End) thread configurations.
Diverse Size Options: Sizes range from 1.9 inches to 4.5 inches with lengths from 2ft to 12ft.
1-Year Warranty: Comprehensive 1-year warranty coverage for all mechanical defects and quality issues.
1-Year After-Sales: Dedicated 1-year after-sales service support for all purchased products.
Fast Lead Time: Standard lead time within 15 working days for both peak and off-peak seasons.
Global Export Experience: Exporting to USA, Brazil, Venezuela, India, and other major markets since 2009.
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 standards do your products comply with?
A:
Our products strictly comply with API 5CT and API 5B standards.
Q:What grades are available for the tubing nipples?
A:
We offer J55, K55, N80-1, N80-Q, L80, and P110 grades.
Q:What thread types can you provide?
A:
We provide both NUE (Non-Upset End) and EUE (Upset End) thread types.
Q:What is the warranty period for these products?
A:
We provide a 1-year warranty and 1-year after-sales service.
Q:How long is the production lead time?
A:
The average lead time is within 15 working days for both peak and off-peak seasons.
Send Inquiry
*To:
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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