ZHEJIANG ZENGXIN CHEMISTRY CO.,LTD concentrates on manufacturing fine chemicals with phosphor and its derivatives. With advanced equipment and keeping strong R&D power, ZENGXIN takes a leading position in Chinese phosphorous chemical industry . ZENGXIN products are widely applied in water treatment, environment protection, fabric fire retarding, metal surface conditioning, and etc. Located at the side of famous Tiantai national park, ZHEJIANG ZENGXIN CHEMISTRY CO.,LTD has made much efforts in environment protection, we act fully in accordance with sustainable development. Welcome to ZENGXIN CHEM!