Contact Person: YvonneEmail: chem AT yijinhang.comSkype: yvonnemoodWe are Shijiazhuang Yijinhang Chemicals Co., Ltd.Our factory professionally produce Caustic Soda, Titanium dioxide, Pentaerythritol, SHMP,STPP, LABSA, CMC, ect. What's more, we have got certification of ISO9001:2000. So we can assure you our good quality.