pH 7-9 Lignin as Water-Reducing Additive Sodium Ligno Sulphonate

China pH 7-9 Lignin as Water-Reducing Additive Sodium Ligno Sulphonate, Find details about China Sodium Lignosulfonate, Sodium Lignosulphonate from pH 7-9 Lignin as Water-Reducing Additive Sodium Ligno Sulphonate