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7/8" Sucker Rod Spraying Metal Coupling Without Wrench Square
US$3.00
100 Pieces
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearManufacturing Process
ForgingSurface Treatment
Spray-PaintMaterial
AlloyStandard
ISOTransport Package
Plywood CaseSpecification
3/4"-1-1/2"Origin
ShandongKey features
Forging Manufacturing Process: Manufactured using precision forging for enhanced durability and strength.
Alloy Material Construction: Constructed from high-grade alloy material for superior performance.
Spray-Paint Surface Treatment: Features spray-paint surface treatment for corrosion resistance.
1-Year Warranty Coverage: Includes a comprehensive 1-year warranty for peace of mind.
ISO Standard Compliance: Meets ISO standard requirements for quality and safety.
Multiple Size Options: Available in various sizes including 5/8', 3/4', 7/8', and 1'.
Hardness 56-62 HRA: Engineered with hardness ranging from 56 to 62 HRA for longevity.
OEM and ODM Services: Offers both OEM and ODM services for customized production needs.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-04-14 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤11.04h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryDongying Zhaoxin Industry and Trade Co., Ltd. is a China-based limited company in Shandong that manufactures and processes oilfield tools and equipment. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, a dedicated R&D team, more than 40 national patents, six to ten quality-control staff, and two production lines. It offers downhole tools, cementing tools, wellhead equipment, oil-well packers, tubing anchors, and torque anchors. The company states that it provides research, development, manufacturing, sales, and after-sales service. Export activity is documented since 2014, with markets in South America and Europe, although export sales represent only 11%–20% of total sales. Evidence is insufficient to assess financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is a Chinese limited company engaged in manufacturing and processing machinery, specifically oilfield tools and equipment. Its stated activities cover research, development, manufacturing, sales, and after-sales service, indicating a manufacturer rather than only a trading intermediary.
CertificationsThe supplier explicitly reports ISO9000 international quality-system certification and current ISO9001:2015, ISO14001:2015, and ISO45001:2016 certificates. These certifications provide direct evidence of formal quality, environmental, and occupational-health-and-safety management systems.
After-Sales capabilityThe company explicitly states that its business includes sales and after-sales service for oilfield tools and equipment. However, the slices do not describe service coverage, staffing, response times, spare parts, or warranty terms.
R&D capabilityThe supplier reports a practical and experienced R&D team, more than 40 national patents, five years of R&D-engineer experience, and a stated focus on new products and technology. These claims directly support an established innovation function, although no patent titles or technical performance data are provided.
Production capacityThe supplier operates a manufacturing plant of 11,000 square meters, two production lines, and reports one-month order fulfillment in both off-peak and peak seasons. Its listed product scope covers multiple oilfield equipment categories, supporting production capability, although detailed capacity and equipment information is unavailable.
Product Q&A
Q:Are you a manufacturer or a trading company?
A:
We are a manufacturer and we could supply more professional technical services and goods.
Q:Are the goods new or used?
A:
All our goods are new ones, the production schedule will offer to you once getting your purchase order.
Q:Do you have related inspection equipments?
A:
Yes, our factory is equipment all test equipments, and I could send their pictures and test documents to you.
Q:Does your price include third party inspection charges?
A:
No, our price do not include the third party inspection charge, and we will notice on our Quotation.
Q:Where do your products sell?
A:
United States, Canada, Mexico, Venezuela, Colubia, and other South American Region Russica, Azerbaijan and Central Asia Countires, UAE, Saudi Arabia and Mddle East Counties.
Send Inquiry
*To:
Dongying Zhaoxin Industry and Trade Co, Ltd.
Dongying Zhaoxin Industry and Trade Co, Ltd.*Content:
Supplier replies will be sent to your registered email
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