日韩骚色网站,中文无码HD人妻上司侵犯,波多野结衣黄色无码视频观看,亚洲精品久se

HPVC-solid wall pipe

High Strength Polyvinyl chloride are characterized by high strength, high toughness, high compressive strength, good flame retardancy and corrosion resistance. The product can replace galvanized, plastic or galvanized steel pipe, crossing road or bridge as communication cable protection pipe, can replace MPP, PE pipe for trenchless pipe.

093911_844.png

Product performance

實壁管22.jpg

5-1111111.jpg5-22.jpg

?
為您報價