Contact Person:Ms Mandy Zhang Company name:Liaocheng Zhengyang International Trade Agency Co.,Ltd Tel:0086-635-8518877 Fax:0086-635-8510257 Email: lczymy17(at)yahoo.cn As leading lignosulfoante suppliers from China,we can produce and supply products: Sodium Lignosulfonate Calcium Lignosulfonate Ferrochrome Lignosulfonate Chrome Free Lignosulfonate Chrome Lignosulfonate. Every month,we can supply more than 1000tons each size. Main markets:Korea,Japan,Taiwan,Vietnam,Canada,Russia ec