Powdery Reactive Dyeing Agent SH-G(AX-SHG)is a kind of concentrated buffer base, and it can be used in the cotton fiber, loose cotton and other vital dyes with the dosage of 1/8-1/10 of traditional sodium carbonate. It is more appropriate for the dyeing of short bath ratio, and it can also reduce the dyestuff dosage and the wastewater discharge, becoming the latest energy-saving and cost-reducing production of dyeing wastewater. It is the most innovative and energy-saving and innovative product in China.