无码av免费精品一区二区三区_亚洲国产av精品一区二区蜜芽_中文字幕av一区_亚洲xxxx做受欧美_国精产品自偷自偷综合下载

    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