Shaanxi Xinlong Petroleum Equipment Co., Ltd is a Sino-US joint venture founded by Blue Ridge China, a private equity firm headquartered in the New York, and Shaanxi Xinlong Petroleum Equipment Co., Ltd , which has strong capability and years of experiences in oil and natural gas equipment design and manufacturing.Blue Ridge Capital is one of the most successful investment funds with extensive long-term equity investments in US and emerging countries. .....[More] Workover Rig Trailer Rig Combined Drive Drilling Rig Mechanical Drilling Rig AC VFD Drilling Rig DC Electric Drive Drilling Rig Beam Oil Pumping Unit Shallow Offshore Drilling Rigs: