普通级聚甲醛原料,填充无二硫化钼样品的聚甲醛塑料颗粒General grade pom raw material,pom plastic granules filled with mos2 free sample
未经处理/回收的聚甲醛共聚物颗粒导电缩醛聚甲醛颗粒Virgin/Recycled POM Copolymer Pellets Electrically Conductive Acetal POM Granules