免费首播手机在线播放,亚洲顶级裸体aⅤ片,成人免费毛片日韩在线,亚韩无码一区二区在线视频,国产精品一级毛片一区二区

×

Fiber

PPS fiber

PPS fiber is made through melt spinning polyphenylene sulfide resin. It has excellent heat resistance, chemical resistance, and flame retardancy and is therefore widely applied in environmental protection, chemical filtration, and other fields.

Other Products

> 免费首播手机在线播放,亚洲顶级裸体aⅤ片,成人免费毛片日韩在线,亚韩无码一区二区在线视频,国产精品一级毛片一区二区