成年人午夜福利视频|国产久re热视频精品播放|国产AV日韩A∨亚洲AV电影|日韩成人三级av在线网站|欧美黑人经典片免费观看

Classification: FEP polyfluoroethylene propylene series

Brand: Lichang

Packing: 25kg/ pack

Description: With excellent self-lubrication, charge insulation, heat resistance, flame resistance, radiation resistance and so on. A total of 13 series products of ten colors such as black, white, blue, brown, red, yellow, green, gray, orange and purple have been developed.