国产亚州精品女人久久久久久|中国字幕黄色电影|日韩精品一区二区在线观看|天天模天天看AV在线|超碰最新上传照片|AV中文字幕在线观看|五月丁香综合在线视频区|亚洲影院在线观看限制无码avav|欧美亚洲自慰色图|亲亲久草视频免费看

    The storage and conveying system of polyol / isocyanate is used for storing polyol / isocyanate material. Unloading from tanker, feeding, temperature control and conveying all can be done automatically. It greatly reduces the labor intensity and improves the production efficiency. At the same time, it can reduce the waste of raw materials and the cost of storage, and solve environmental problems. It has high economic and social benefits.

 Feeding Device

Unloading Device