Dongchangfu District Yiheng Hydraulic Parts Sales Dept. , which is located in Liaocheng where near the Beijing-Hangzhou Grand Canal, on behalf of the Chinese commercial civilization , know as China's northern Venice. Our company closes to the 309 National Road, Beijing-Jiulong Railway and the Beijing-Hangzhou Grand Canal on the west, which runs through the city, that has the convenient transportation, favorable geographical position. We have high-precision machining equipment and advanced physical and chemical detection equipment, specializing in the production of excavators overflow valve, relief valve, pulse valve, pipeline safety valve, reversing valve, solenoid valve, automatic relief valve and so on, which can used in the various types of excavators both in home and abroad, such as Komatsu, Hitachi, Hyundai, Daewoo, Carter, Kobelco, Sumitomo, Liugong, Yuchai, Sunward Intelligent, ZOOMLION and so on, to meet customers different levels of product quality and physical and chemical properties of the full range of requirements. We adhering to the people-oriented, integrity first purpose, pioneering spirit, innovation, customer first business philosophy, sincerely looking forward to working with more customers and friends.