Zhengzhou Yusheng Foundry Company Limited was founded in 1995, is China Foundry Association of wear-resistant materials branch member units; Huazhong University of Science and Technology joint education of school and enterprise technical support unit; Henan University of Science and Technology wear-resistant materials research center cooperation unit; the wear resistant material is cast of professional manufacturing company. In the past 16 years, we always follow the" integrity-based, quality first, reputation first " development purposes, and constantly improve the technology and equipment level, has established a perfect quality management system, train a contingent of high-quality technology development and management team. In 2010 Zhengzhou Yusheng Foundry Company Limited was assessmented by China Enterprise Credit Evaluation Center as " China AAA grade credit enterprise", the chairman was assessmented by Chinese entrepreneurs integrity assessment center as the" Chinese entrepreneurs integrity". At present, the company production area covers an area of 15000 square meters, with 5 casting workshops and 1 machining workshop, and a new V production line which is the most advanced in production technology now. The company main production equipments include 6 sets of intermediate frequency induction furnace, 5 heat treatment furnaces , EPC production line, the V method foundry production line. Quality testing equipments:NCS750B precision direct reading spark spectrometer, DK7735B line cutting machine tool, XJP-20 metallographic microscope, JB-300B impact test machine, TH140 Leeb hardness tester, chemical analysis equipment set; produce wear-resistant castings more than 8000 tons a year. In the past 16 years, the company has always been to the production of wear-resistant castings for the direction of development, adhere to the principle of technology introduction and independent development, in the light of all kinds of working conditions and material characteristic of grinding equipments, formed three series of wear-resistant castings adapt to a variety of grinding conditions:high manganese steel series; series of multicomponent alloy steel;high or low chromium cast iron series,up to hundreds of specifications, widely used in mining, metallurgy, electric power, building materials, refractories, chemical and other industries, users are all over the country and exported to many countries, well received by users.