Henan Jiujiu Chemical Co.,LTD. Add： 1 West Shiyangsi village Dagangliu country Zhongyuan district Zhengzhou city TEL：86-371-67618209 67628112 FAX：86-371-67618279 Email: sales@hnjjhg.com http://www.hnjjhg.com & http://www.jiujiuchem.com