Dezhou Zhonglian Petroleum Machinery Co., Ltd

Valve assay, Its main material is high quality alloy steel that higher than oil industry standards , and its r

It is controled by hydraulic to reach seat hanging. Working with SQ seting-ball carrier, it is suitable for

In addition to all the features of single-stage casing head ，the double-stage casing head prese

　　Mandrel hanger and slip hanger can be installed interchangeably to handleany emerg

The length of products are more than one-third higher than that of national standard/Chromium-plated Liners

Our company can offer various types of mud pumps cylinder head including F series, 3 nb series and others.Its

Our company can offer various types of piston assy including F series and 3 nb seriesThe piston rod and the pi

　　For satisfying the need of oil field drilling and reducing drilling cost, our comp

?The float collar is mainly composed of spoiler, floating ball, shell and the basket.The casing float shoe is