Dear Sirs, Please allow me to introduce ourselves as one of the leading manufacturers and exporters of Sulphur Dyes and are in this field since 1968.We specialize in Sulphur dyes.Thanks & Best regardsMichael WuExport Manager Bengbu Yongyan Dyes & Chemicals CO.,LTD(ISO 9001:2000,ISO 14001:2004,GB/T 28001-2001)A-6,Golden Gulf Subdistrict ,8,Yinghu Road,Bengbu City,Anhui Province,China.Tel:86-552-3021091Fax:86-552-3021091/3021090Mobile:13865688687 Website:www.yongyandyes.com