Huafeng group started making the investment and producing polyurethane sole in 1994.since then, We have succeeded in entering the polyurethane industry field and invested more than RMB 20 million to produce polyure thane resin for leather in 1997. In 1999, The first stage spandex production line, annual production 1000 tons, succeeded in going into operation,marking that the HuaFeng Group strides forward the fast track of development .Since then, Huafeng has added the huge technology improvement fund of more than RMB300 million again to carry on second stage, third stage and fourth stage spandex of engineering constructions . From 1994 to 2002, Huafeng Group has already invested the technology improvement fund of more than RMB500 million totally and has formed the pattern of three major products of PU resin for sole