国产精品综合视频,日本本亚洲三级在线播放,日韩三级αⅴ电影网站,久久国产香港三级,欧美一区中文字幕,好男人好资源在线视频观看影院,天天射天天爱天天干

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.