国产重口老太伦-国产美女特级嫩嫩嫩bbb片-julia一区二区在线播放-乱色国内精品视频在线-捆绑凌虐一区二区三区-国产v片在线播放免费无遮挡-一本大道久久东京热av-亚洲区欧美日韩综合-欧美综合人人做人人爱-国产精品久久久久影院亚瑟

HPVC-double wall corrugated pipe

The High Strength Double Wall corrugated pipe has a hollow ring structure between the inner and outer walls, making full use of the principle of I steel structure to improve the Cross section, the moment of inertia and the ring steel degree. The product has the strength high, the toughness is good, the texture light and so on merit. The products can replace MPP single-wall corrugated pipes, glass steel pipes, PVC-C power pipes, PVC-U communication pipes and other pipes.

092514_187.jpg


Product performance

2222.jpg


Specification type:

3-1111.jpg

4-111.jpg

4-1111.jpg


?
為您報價