Rosin chemical(wuping) co., ltd.

Gum Rosin,Polymerized Rosin,Polymerized Rosin Resin, Glycerol Ester of Rosin,Pentaerythritol Ester of Rosin,Refined Rosin& Ester,Rosin Modified Phenolic Resin,Hot Melting Road Mark Coating Resin,Maleic Acid Resin