另类综合在线,91香蕉视频在线看,午夜激情影视,日本性一区二区,午夜有码,黄色片网站片,天天摸天天操天天干

Your Current Position:  PRODUCTS > Modified rosin series > Fumaric Rosin

Fumaric Resin Derivative

Used widely in paper-making, inks, paints, adhesives etc., major used as the fortified sizing agent for paper-making. Besides according to customer's requirement, we can manufacture modified rosin from Disproportionated Rosin, Ployer Rosin.