久久产精品一区二区三区污欧美-国产一区日韩二区欧美三-欧美亚洲日韩国产-日韩欧美综合在线二区三区

Ash discharge valve (rigid impeller feeder, star feeder, air shut-off, rotary feeder, etc.) is the main equipment for ash discharge, air supply and other equipment feeding of dust catcher, suitable for powder material and particulate material.It is widely used in environmental protection, metallurgy, chemical industry, grain, food, electric power and other industries.