A. Introduction China Hangyu Industry Co., Ltd., was founded in 1991, It engage in the design, manufacture and sale of the electrical test equipments. It&＃039;s products include H. V. Testing instruments, Transformer Test Sets, Transformer Testers, Relay Protection Tests, etc. Our products are abroad used in electric power, energy, metallurgical, chemical, mining industries. We have obtained the ISO9001 quality system certification and all products conform to the international or Chinese state standards. Our products have gained wide acceptance and firm recognition from all provinces of China and over the world, especially in the markets of South-east Asia, Middle East and Africa. Nowadays, our products start to enter the market of Europe and North America. B. Management Passed ISO9001 Quality System. Absorbs and possesses the advanced filtration technology from home and abroad. C. Values Total customer satisfaction is our aim; Customers&＃039;trust is our asset.