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5CT OCTG Casing & Tubing Coupling
US$30.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
Online Guide and ServiceWarranty
6 MonthsModel NO.
all sizesCertification
ISO 9001:2015Power Source
HydraulicOperation Pressure
Atmospheric PressureApplicable Medium
Mud, Water, Natural Gas, Crude OilStructure
APIMaterial
AlloySteel Grade
J55, K55, N80, L80, P110Manufacturing Process
ForgingThread Type
EU, Nu, Stc, Ltc, BtcConnection
FemaleColor
Red, Green, WhiteTransport Package
Standard Export PackageSpecification
1.9"-20"Trademark
LakeOrigin
ChinaHS Code
843143Production Capacity
5000PCS Per MonthKey features
API Certified Quality: Manufactured according to API 5CT and 5B specifications with BV certification.
Corrosion Resistance: Treated with phosphating or copper plating for strong abrasion and corrosion resistance.
Wide Grade Range: Available in J55, K55, N80, L80, P110, and other API grades for tubing and casing.
Customization Options: Supports custom steel grades, forging processes, thread types, and special coupling designs.
Strong Thread Resistance: Threads feature strong viscous resistance to ensure secure connections.
Versatile Applications: Suitable for mud, water, natural gas, and crude oil in oilfield industries.
Competitive Pricing: High quality products offered at competitive prices with safe transaction guarantees.
Professional Service: Online guide and service available with 6 months warranty coverage.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.08h
AI-Powered supplier vetting
SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.
Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.
After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.
R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.
Product Q&A
Q:What certifications do the couplings have?
A:
The couplings are manufactured according to API 5CT and 5B specifications and come with BV certification.
Q:What materials and grades are available?
A:
We offer alloy material with various steel grades including J55, K55, N80, L80, P110, and more.
Q:Can the couplings be customized?
A:
Yes, we provide customization for steel grades, manufacturing processes, thread types, and special coupling requirements.
Q:What is the warranty period?
A:
We provide a 6-month warranty for our products along with online guide and service support.
Q:What are the payment terms?
A:
We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.
Send Inquiry
*To:
Dongying Lake Petroleum Technology Co., Ltd.
Dongying Lake Petroleum Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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