Sulphur Black 1 - China Manufacturers, Factory, Suppliers

"Based on domestic market and expand overseas business" is our development strategy for Sulphur Black 1, Direct Blue , Red Dyes For Ink , Humic Acid Sodium Salt Dye , We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.