Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.
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Standard of API Spec 11 b and SY/T5029-2006 , main specifications: 5/8/3/4 (SM), 3/4/7/8 T (SM), 7/8/1 T (SM), 1/11/8 T (SM) also can be customized according to user requirements.
We supply API 11B full line of couplings, including Sucker Rod Couplings, Sub couplings, and Polished Rod Connections. The couplings covers class T, SM, K, KD, UHS(Ultra High Strength), using good quality steel bare for raw material. With advanced, technology, workmanship and equipments, Samon has been developing new type of products as per your demand.
| Type | Grade | O.D (mm) | Minimum Lengh (mm) | Hardness | Weight (kg) | Standard |
| 3/4" | 19-T | 41.05~41.43 | 101.6~103.17 | 56-62HRA | 0.65 | API 11B |
| 7/8" | 22-T | 45.75~46.13 | 45.75~46.13 | 56-62HRA | 0.8 | API 11B |
| 1" | 25-T | 55.3.5~55.73 | 55.35~55.73 | 12-23HRA | 1.15 | API 11B |
* They are available in reduced slim hole (SH) diameters as well as normal full size (FS) for both API Class T(through-hardened) and Class SM (Spray Metal).
Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 million yuan,with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff. Oil machinery is our main products, the leading products include pumping unit,subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels,drilling solid control series products and cementing accessories, We had attained ISO 9001 in 1998 and API Certificates in 2002 .
We have 9 factories, more than 500 employees, and many kinds of production equipments.
We have certificates of API 5CT,6A,10D,11AX,11E, ISO 14001 and 9001.
With 10 years exporting experience,we have exported to more than 30 countries such as America,Canada,Russia,Venezuela,Columbia,Thailand,Indonesia ,UAE,Saudi Arabia,Kazakhstan etc.
All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems when using our products, welcome to contact us at any time.
· Zhongshi Group is the API certification enterprise for 15 years;
· ISO9001 quality management system;
· We provide on-site technical service,no matter when and where.
A: We are factory.
A: Generally it is 1-5days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Payment<=1000USD, 100% in advance.
Tina Chen
ZHONGSHI GROUP CO.,LTD.
Mobile phone/wechat/whatsapp: +86 13213933762
Skype: tina(at)zspetro.com
E-maile: tina(at)zspetro.com
QQ:2603394399
Website: www.zscyb.com