Casing Head is a new product for satisfying oilfield client's requirement. It has been applied widely for the well completion for different well depth. It is mainly used to fix the drilling Wellhead, connect down hole casing string, seal and control annular pressure. 
The house of casing head is made of low alloy steel with high bearing capability and anti-H2S and access to on-site welding. The types of connecting with casing include welding, threading, slipping and BT sealing. The Casing Hanger has conical and rectangular sealing structure with high sealing under the gravity and access to on-site installation. 

Wellhead Size: 7 1/16”~ 21 1/4”
Wellhead Pressure: 2000PSI~20000PSI
Temp Range: K,L,N,P,S,T,U,V,X,Y.
Material Class: AA,BB,CC,DD,EE,FF,HH. 0.5, NL.
Wellhead products Class: PSL1~PSL3G.
Wellhead products Performance Class: PR1, PR2.

  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 .

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.