天堂av一区-亚洲二三区-国产一级一片免费播放放a-国产精品久久久久成人-午夜成人性刺激免费视频-亚洲啪啪av无码片-真实国产乱子伦对白视频不卡-亚洲aⅴ天堂av在线电影-国产欧美二区综合-人伦片无码中文字-91爱视频-日本国产在线观看-少妇又色又紧又黄又刺激免费

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(bào)價(jià)