? Product Description ? Details are introduced ? ? Place of Origin: Henan China (Mainland)
Brand Name: Zhongshi
Certification: API
Machine Type: Drilling Equipment
Certification: API
Use: Well Drilling
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 ? ?

Size?A	Size?C	2000PSI		3000PSI		5000PSI
Top?Flg.	Thd.or?Weld	H	B	H	B	H	B
9	7?5/8	440	182	440	182	450	182
	7	440	168	440	168	450	168
11	10?3/4	450	248	450	248	470	248
	9?5/8	450	234	450	234	470	234
	8?5/8	450	208	450	208	470	208
13?5/8	13?3/8	475	316	475	316	485	316
	12?3/4	475	298	475	298	485	298
16?3/4	16	485	385	485	385	485	385
18?3/4	18	?	?	?	?	500	440
20?3/4	20	?	?	520	482	?	?
21?1/4	20	520	482	520	482	?	?

? ? Our Services ?
? ? ? ? The group pays attention to technology research and development, in recent years have fit-out products have obtained national patent, including oil and gas well electromagnetic heating device, gas sulphur removal equipment and water treatment device, beam pumping unit Numbers call balance device, double work double speed motor, is three pump etc. Make up the domestic blank.
? ? ? ? ?This group all staff sincerely to friends from all walks of life to provide quality products and value services. ? ? Company Information ? ? ? ?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. We had attained ISO 9001 in 1998 and API Certificates in 2002 . ? ? ? ? ?