lignosulfonic acid, calcium salt

LIANYUNGANG TIANDONG INTERNATIONALTRADE CO.,LTD is an international company specialize in oil drilling chemicals, food additives,and other related chemicals. We have consistently adhere to "TEAM-WORKING銆丠ONESTY銆丆REDIBLE銆両NNOVATIVE". We have built up good business relationship with many countries and area.And we have won a good reputation in cooperation with customers worldwide .

We warmly welcome customers domestic and abroad to work closely with us,and bring the new,good and qualified prod...