精品人妻无码一区二区出白浆潮喷,久久人妻少妇嫩草AV,国产AV无码熟妇人妻麻豆,性色AV一区二区三区V视界影院,亚洲精品偷拍影视在线观看

POF film blowing machine main structure

POF film blowing machine is mainly composed of eight parts, namely the head, extruder, cooling device, stable foam frame, die, traction rollers, herringbone plate coiling unit, each component is blown POF important integral part machine, they play their respective functions in their respective fields.
Copyright ? Ruian DeBang Machine Co.,Ltd.