1987：Yixing Zhoutie Printing and Dyestuff Adjuvant Plant established．

　1988：Started the production for softening agent，HC/D3．

　1989：Amended the plant name into Yixing Zhoutie Dyestuff Adjuvant Plant and moved the address to the formed Zhoutie Packing Material Plant．

　1990：Started the production for dispersing agent，dye。fixing agent．

　1991：Moved the address to the present location

　1992：EO distribution

　1993：Started the production for PEG，Peregal O

　1994：Started the production for Ethylene Chlorohydrin

　1995：Started the production for Spin Finish

　1997：Started the production for Ethanolamine

　2000：Started the production for Iminodiacetic Acid

　2001：Reorganized it into Share Corp，Jiangsu Yinyan Specialty Chemicals Co．，Ltd

　2002：The Production Line for Solvent for Paint and Coating into running

　2002：QC Center passed the acceptance from expert in State Agricultural Dept and got Class B Certificate，the certificate for Glyphosate Tech 95，62%，41%，10%

　2003：ISO9002 Approved

　2003：30000MT/A PMIDA into production

　2004：15000MT/A PM/PMA into production

　2005：HEA/HPA into production