主营业务： 145# Pentaerythritol rosin resin Camphor Gum rosin(Indigenous method) Gum rosin(steam method) Maleated rosin Maleic resin Pentaerythrite Ester of Hydrogenated Rosin Pine oil Pine tar Polymerized rosin Rosin modified phenolic resin Sodium acetate

其他业务：pharmaceuticals