精品久久久久久无码中文野结衣_强开小婷嫩苞又嫩又紧视频_又大又大粗又长又硬又爽_亚洲av中文无码字幕色三

       頗(po)爾工業(ye)公司是一家自主(zhu)(zhu)生產所有濾(lv)材的主(zhu)(zhu)要由PTFE材料構(gou)成。自清潔擾(rao)污染(ran)管式微濾(lv)膜。超濾(lv)膜技術(shu)，碟管式膜技術(shu)過濾(lv)器公司。 PALL INDUSTRIES LIMITED is the company that produces filter materials independently so far. It mainly consists of PTEE materials, self-cleaning anti-pollution tube microfiltration membrane, ultrafiltration membrane technology and dish stewing membrane technology.