• Design, manufacture, testing and material choosing are all followed by API 6A standard.

• Casing head house’s side outlet connection has thread type and flange type.

• Casing head and Casing pipe’s connection way has thread type, welded type and slip type.

• Casing head house design is with 45°landing shoulder.

• Based on casing head’s procedure design different models’ casing hanger.

• We provide two types casing hanger, mandrel type and slip type.

• Same model mandrel type and slip type casing hanger can exchangeable.

• Sealing type of casing hanger has combined rubber sealing and combined metal sealing type.

 We must develop new technologies and new products for our clients, and make our popularity on a high level in this field; we must heighten our position and set a good example in the field. A group of experienced staff are ready to serve you with enthusiasm at any moment!

After-Sales Service:
Provide considerate services to minimize clients' worries.
(1) Assist clients to prepare for the first construction scheme;
(2) Install and debug the equipment;
(3) Train the first-line operators on site
(4) Examine the equipment regularly;
(5) Take initiative to eliminate the troubles rapidly at site;
(6) Distribute the guarantee fittings door-to-door
(7) Provide perfect service;
(8) Provide technical exchanging;
(9) Provide maintenance for big items.

   Puyang Zhongshi Group Co., Ltd. was founded in 1996, which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 60.83 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.

1. Why do you choose our company?

We have a long development history in the industry in China; the products and technology have been improved to a  higher level. Our strong technical team can ensure high quality products.

2. How can we guarantee our quality?

Our products are under API standard. Every time we will inspect our factories first. This inspect will include the  persons, the present products, their scale etc. If everything is OK, we will start to cooperate. During production,  we will go to the  factories to test the products to guarantee the products have good quality.

 If it doesn't meet our requirement, the goods  will be refused.

3. Do we have price advantage?

We have our own factories and outstanding working team .And also establish long term business relationship with  many manufacturers in China market. So we can get more competitive price from them.

Cynthia  Jiang

E-maile:    1461540332 at

                sale05 at

 Website:  

Mobile phone:    13839250964

We will do best services for you

PUYANG ZHONGSHI GROUP Co,Ltd

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