Founded in 1991, Changshu Qinfeng Chemical Co.,Ltd. is specialengaged in the manufacture of ethyl cyanoacetate and cyanoacetic acid products, located in Baimao Town Changshu City, close to National Road 204 to the north, neighboring Baimaotang to the south, by the Suzhou-Jiaxing-Hangzhou Expressway and the Expressway along the River ...