Shaanxi Xinlong Petroleum Equipment Co., Ltd (Xinlong) is a Sino-US joint venture. It has sturdy technology functionality with technical specialists with 30 years, and 10 years of expertise in designing, manufacturing, assembling and sale oil & fuel onshore drilling rig, properly serving rig and some components for offshore drilling rig. It also undertakes personalized design and manufacturing of metallic structure for coal, geological, metallurgy, electrical energy, and chemical industries. Xinlong provides buyer-centered solutions that greatest meet the quality, productiveness, and environmental necessities of the vitality industry. Xinlong and its products were authorized with ISO9001:2008 High quality System Certificate, API Certificates, DNV-WPQ Certificate, and eight National Patents, comparable to Energy Saving Wheeled Pumping Unit, High Effectivity AC VFD Oil Rig, 4000m Trailer Electric Drill Rig, Skid Airtight Drilling Bits Drying Unit, Grease Mud Purifying Tools, Bridge Kind Gear Drive Unit, Step Forwarding All-Course Shift Unit, and Drilling Tools Computerized Racking Unit. Xinlong has strategic partnership with NOV, supplying components to NOV from 2004 to 2007, after which whole completes as OEM for NOV from 2008. Xinlong gives onshore drill rigs from 3000m to 7000m for several oilfields of CNPC from 2004. Xinlong affords supporting parts for offshore platforms for MH, the largest offshore platform supplier in the world. Xinlong is dedicated to drilling oil & gas extra effectively and easily for world oil exploration and development enterprise.