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API 11b 7/8' Sucker Rods Couplings Made in China
US$2.00-10.00
1 Piece
Sample price:US$5.00/joint.Request sample
Product profile
Customization
AvailableAfter-sales Service
7X24Warranty
12monthsManufacturing Process
ForgingSurface Treatment
PolishingOperation Pressure
NoMaterial
AlloyDelivey
10daysTransport Package
Stand Export PackageSpecification
5/8", 3/4", 7/8", 1", 1-1/8"Trademark
LFMOrigin
ChinaProduction Capacity
100000Key features
API 11B Compliance: Manufactured strictly according to API Specification 11B standards.
Cold Form Rolling: Uses cold form rolling for threads to create compressive stress and maximum strength.
Hydrogen Embrittlement Resistance: Grade T and SM couplings made of 5140 alloy steel resist hydrogen embrittlement.
Advanced Thermal Spraying: Class SM uses thermal spraying to reduce friction coefficient to 0.01 and extend service life.
Customizable Surface Treatment: Available with phosphate chemical treatment or black oxide coating upon request.
Multiple Size Options: Available in full size, slim hole, over size, and combination sub-couplings.
24/7 After-Sales Support: Provides round-the-clock technical assistance and service.
Fast Delivery: Standard delivery time is approximately 10 days for customized orders.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-08-17Nearest Port: Tianjin, Shanghai, QingdaoAverage Response Time: ≤4.31hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryShandong Light Fir Machinery Equipment Co., Ltd. is a limited company based in Dongying City, Shandong, China. It functions as both a trading company and a manufacturer, specializing in a variety of machinery equipment. The company holds ISO 9001 certification but lacks documented after-sales service procedures. Financial data indicates consistent capacity over the past three years, while the company demonstrates OEM capabilities for well-known brands despite limited R&D innovation. Production is supported by two lines and a small team of R&D and quality control staff.
Supplier typeThe supplier is a limited company functioning as both a trading company and a manufacturer located in Shandong, China.
CertificationsThe supplier holds ISO 9001 certification, indicating a commitment to quality management standards.
After-Sales capabilityThe supplier lacks documented procedures or records for handling after-sales services, indicating weak service capability.
R&D capabilityThe supplier lacks significant innovation capability, evidenced by no new products in the past year and limited R&D staff.
Customization capabilityThe supplier offers customization from samples and designs, and provides OEM services for known brands but does not offer ODM services.
Product Q&A
Q:What's your packing?
A:
Regular packing.
Q:What's your delivery?
A:
Normally, about 30-45 days.
Q:What are the shipping methods?
A:
Ocean shipment to the port near from you; Air shipment to the shipment near from your company; Door to door service by international express.
Q:What about the payment options?
A:
In general, we accept T/T.
Q:When can I get the price?
A:
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will detail with your inquiry priority.
Send Inquiry
*To:
Shandong Light Fir Machinery Equipment Co., Ltd.
Shandong Light Fir Machinery Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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