Gu Jin brand sodium hydrosulfite products have covered more than 20 provinces and citiees in the nationwide, moreover sold far in more than 50 countries and areas such as theU.S., Japan, Germany, ....
Established in 1990, We are the largest sodium hydrosulphite manufacturer in north China and we rank the forth in the world. The main product is sodium hydrosulfite of " GUJIN" with the capacity of 40....
Established in 1990, we are the largest sodium hydrosulfite manufacturer in north China and we rank the second in the world.The main product is sodium hydrosulfite of " GUJIN" with the capacity of....