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API 5CT J55 Btc Thread Tubing Casing Coupling for Oil Well Drilling
US$20.00
1 Piece
Sample price:US$100.00/piece.Request sample
Product profile
Certification
ISO 9001:2008, API 5CTTransport Package
TraySpecification
1100*1100*1000Production Capacity
500000Key features
API 5CT Certification: Meets API Specification 5CT standards for oil well drilling applications.
ISO 9001:2008 Certified: Manufacturing process certified under ISO 9001:2008 quality management system.
Wide Size Range: Available for tubing from 1.9 to 4.5 inches and casing from 4.5 to 20 inches.
Multiple Thread Types: Offers NU, EU, STC, LTC, and BTC thread configurations for various needs.
Various Steel Grades: Compatible with J55, N80, L80, and P110 steel grades.
Surface Treatment Options: Available with whole phosphating or inside phosphating with outside coating.
Fast Lead Time: Peak and off-peak season lead time within 15 working days.
Flexible Payment Terms: Accepts LC, T/T, PayPal, and Western Union for secure 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:How can I place an order?
A:
You can contact us by email about your order details, or place order on line.
Q:How can I pay you?
A:
After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.
Q:What is the order procedure?
A:
First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for y
Q:How do you take care when your clients received defective products?
A:
replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
Q:How do you check all the goods in the production line?
A:
We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.
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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