Zhaoxin Industry & Trade Company, Ltd. of Dongying City is located in the hinterland of beautiful Yellow River Delta--Dongying City normally called “ Petroleum City”. The company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacture. At Shengli Industry Area, the company was established in 1999. It has owned more than 3000 square meters of workshops which manufacture different oilfield down hole tools and accessories such as fracture packer series, sand blast, fracture hydraulic anchor. The products of company have been widely applied in oilfields in China and entered markets abroad. The company conducts management mode of combination between regulation and humanity, develops perfect management system and inspiring system, has achieved ISO9000 international quality system certification and has got first order market entry qualification. The company has owned practical, specialized, experienced and powerful research and development team, applied and got more than 40 national patents awarded by National Intellectual Property Bureau, widened the markets in Neimeng, Xinjiang, and Liaohe, etc, and established approved reputation. For many years, the company has followed the management idea of existence by means of quality and development by means of innovation, maintained the service aim of quality first and reputation first, faced competition with the new products, explored development with the new idea and widened market with the new technology. In the future of more severe competition market, Zhaoxin Company , with perfect attitude, product and service, is going to make further development together with customers at home and abroad .