樹(shu)(shu)脂(zhi)(zhi)砂,塑料砂,三聚(ju)氰胺甲(jia)醛(quan)樹(shu)(shu)脂(zhi)(zhi),脲(niao)醛(quan)樹(shu)(shu)脂(zhi)(zhi),拋光(guang)蠟(la)
公(gong)司主(zhu)營:樹(shu)脂(zhi)砂,塑(su)料(liao)砂,三聚氰胺甲(jia)醛樹(shu)脂(zhi),脲醛樹(shu)脂(zhi),拋光蠟