Shanghai Yitong Hydraulic Machinery Co., Ltd, founded in early 90s, is a foreign trade company. Its subsidiary Shanghai Fende Crimping Machine Manufactory specializes in R&D and manufacturing Crimping Machine. The company absorbs foreign technology and creates independent intellectual property, and based on being innovative and faithful to run business. The company has the courage to explore and keep improving. It has obtained three items of patent. The persistent idea of the company has been recognized