Guangxi Zhongchang Resin Co.,Ltd. Products list: Modified Rosin Pentaerythritol Ester, Rosin Modified Phenolic Resin , RH Resin Series, Maleic Acid Resin, Modified Rosin Glycerol Ester, RFT Resin Series(Alcohol Soluble), Modified Rosin Resin, Maleic Rosin, Light Color Rosin, 138# Rosin glycerol ester, 145# Rosin pentaerythrite ester.