Weifang Donglin Chemical Co., Ltd. is a manufacturer specializing in PVC processing aids in China. Located in Dongcheng Industrial Park, Linqu County, Shandong Province, the company has been dealing with PVC processing improver since founded in 2001 and the annual production capacity has reached 30000 tons now. The company is in possession of advanced facilities with high production level, completed quality control equipment and well-educated inspectors. It has passed ISO9001:2008the internation...