Xi'an LANDRILL oil tools Co., Ltd. It's founded in 2006 and registered in Xi'an High-tech Development Zone. We are a customer-oriented manufacturing servicing company. We are specializing in producing sand casting, investment, casting, forging, stamping, machining, plastic parts and oilfield downhole drilling tools. Our service covers product design, process design, product improvement, organization of production, process control, quality control, logistics and after-sales service. Our products and services cover many areas of mechanical industry, including petrochemical machinery, engineering, mining & earth-moving machinery, general machinery and other industrial sectors. We have experienced engineers and sales to provide full-range services from the very beginning to the life time of our products. LANDRILL knows that, quality is the life of a supplier; honesty makes its life longer!