亚洲字幕-永久免费看片-性生交大片免费看-操比网站-日本啪啪网站-成人小说亚洲一区二区三区-毛片中文字幕-www.色日本-欧美三级不卡-真实新婚偷拍xxxxx-欧美成人午夜视频-日本乳汁视频-午夜色av-久久黄色视-奇米影视777四色-亚洲av电影一区-av中文在线播放-国产免费不卡av-1区2区3区在线观看-我的公把我弄高潮了视频

High-strength polyvinyl chloride

092157_324.png

High Strength Polyvinyl chloride is a kind of cable protection conduit with high compression strength and high impact strength, which is made of polyvinyl chloride resin as main raw material, modified by blending and extruded under certain temperature and pressure.

The product is used for protecting the cable from the ground to the outside, repairing the broken pipe in the cable protection, cable laying protection and so on. 

Product performance

123(1).jpg 


?
為您報價