Sanwei(3W) brand clean wiper products has three series,that is Polyester Wiper, Micro-Denier Woven Wiper and Micro-Denier Knitted Wiper.

• 三威（3W）牌无尘布产品有三种系列，既普通聚脂系列、机织超细纤维系列和针织超细纤维系列。