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Dongying Zhaoxin Industry and Trade Co., Ltd
Dongying zhaoxin company are a manufacturer of oil downhole tools , main products such as oil packer , gas seperator , torque anchor , tubing anchor , corssover , backwash valve ,elevator , centralize
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API 11B sucker rod coupling full size/ slim hole with good quality for oilfield

API 11B sucker rod coupling full size/ slim hole with good quality for oilfield

Brand Name : zhaoxin
Model Number : 5/8-1-1/2
Certification : api,iso
Place of Origin : China
MOQ : 100
Packaging Details : wooden case
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Product Description
Product Description

Rod are manufactured from hot rolled alloy steel. Rod bars are machine straightened and cold drawn to the required size. The rod bar ends are hot forged according to API designed sizes. The rods are then heat treated over the full length.As per requirement of mechanical properties, the rods are normalized and tempered to the specified level or quenched and tempered to the required hardness and strength. Care is taken to achieve metallographic structure with no residual stresses in the rod.A sample specimen is cut from the heat treated material and is tested for ultimate tensile strength, yield strength and elongation. The rod is then again checked for straightness. The forged ends are properly aligned with its body. Rods are cleaned by shot-blasting to remove any scale and oxidation. The forged ends are machined on C.N.C. Lathe machines as per API dimensions and checked with API approved gauges.

Detailed Images
Detailed Images
Packing & Delivery
Packing & Delivery
Our Company
Our Company

Zhaoxin Industry & Trade Company, Ltd. of Dongying City is located in the hinterland of beautiful Yellow River Delta --- Dongying City normally called “ Petroleum City”. The company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacture.
At Shengli Industry Area, the company was established in 1999. It has owned more than 3000 square meters of workshops which manufacture different oilfield down hole tools and accessories such as fracture packer series, sand blast, fracture hydraulic anchor. The products of company have been widely applied in oilfields in China and entered markets abroad.
The company conducts management mode of combination between regulation and humanity, develops perfect management system and inspiring system, has achieved ISO9000 international quality system certification and has got first order market entry qualification. The company has owned practical, specialized, experienced and powerful research and development team, applied and got more than 40 national patents awarded by National Intellectual Property Bureau, widened the markets in Neimeng, Xinjiang, and Liaohe,etc, and established approved reputation.
For many years, the company has followed the management idea of existence by means of quality and development by means of innovation, maintained the service aim of quality first and reputation first, faced competition with the new products, explored development with the new idea and widened market with the new technology. In the future of more severe competition market, Zhaoxin Company , with perfect attitude, product and service, is going to make further development together with customers at home and abroad .


1. Are you manufacturer or trader company?

We are manufacturer and we could supply more professional technical services and goods.
The goods are new or used, if you will make technical drawing and production plans for us?
All our goods are new ones, the production schedule will offer to you once getting your purchase order.

2. Do you have related inspection equipments?

Yes, our factory is equipment all test equipments, and I could send their pictures and test documents to you.

3. Could you tell me if your price includs the third party inspection charges?

No, our price do not include the third party inspection charge, and we will notice on our Quotation.

4. Where did your products sell out?

United States, Canada, Mexico, Venezuela, Colubia, and other South American Region Russica, Azerbaijan and Central Asia Countires, UAE, Saudi Arabia and Mddle East Counties.

we are a professional manufacturer of oil downhole tools , high quality and reasonable price .
Any problem about our products , welcome here .
Contact person :Alisa
Mobile/Whatsapp : +86 138 6476 0226

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API 11B sucker rod coupling full size/ slim hole with good quality for oilfield Images

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