Chengdu Zhonghang Machinery Co., Ltd. was established by 4 Chinese oil drilling rig experts with good experience in the rig manufacturing field. We have a number of patented technologies, a wealth of design experience, sophisticated manufacturing processes and on-time delivery. Created 10 years ago, our "TigerRig" brand trademark is now well known in China.We have 20 years of experience in drilling rig manufacture. Up to now, we have developed more than 80 kinds of rigs operating well in major American oilfields.
