Xi'an Xinjin Diamond Engineering Machinery Co., Ltd. is a high quality drilling equipment company, we have 9 years of design and development experience. Mainly sell auger drill pipe, rotary drilling rig, auger, tree pit machine and other construction machinery equipment. All products have been tested by the market, well received by enterprises all over the country. Products have been widely used in agricultural machinery, electric power, light industry, food, chemical, environmental protection, construction, mining, cement, metallurgy and many other fields, best-selling provinces and cities throughout the country.