日操视频,无码专区天天躁天天躁在线,国产极品美女高潮无套在线观看 ,熟妇人妻va精品中文字幕

The non-woven filter cloth produced by our company can be divided into polyester and polypropylene according to different materials. The fabric is composed of acupuncture and combed interlayer and has three-dimensional structure. After heat setting, singeing and chemical oil treatment, the surface of filter cloth is smooth, with good density and permeability. It has been proved that the effect is better in the plate and frame filter press. The filter cake is easy to separate and wash, and has good economic value. It is widely used in Dyestuff Factory, iron and steel factory, beer factory and so on. Users can customize filter cloth products according to different filtering precision and permeability.