Add: 18F B-F, Huaguang mansion, 330-339 Zhongshan Road, Wuxi city, Jiangsu province, China Tel: +86-510-2768442 2710781 2711842 Fax: +86-510-2761470 URL: www.dayangchemical.com E-mail: wxdy@public1.wx.js.cn P.C.: 214001