日欧强奸三级网址在线_一本到中文无码av在线精品_高清免费综合中文_午夜天堂av天堂久久久_97se亚洲国产综合自_亚洲综合 丝袜 另类 制服_国产裸模视频区无码_一区无码中文字幕_日韩AV片在线观看手机版_又黄又爽的美女免费视频

Comical double-screw extruder is special for extruding pipes using various kinds of PVC power.When equipped with different moulds and auxiliary machine,it can produce many kinds of PVC pipes,profiles,plates,sheets,rods and pellets.

The screw barrel adopts special designed air cooling system,which makes it easy to repair.According to different material mixing requirements of customers,equipped the reasonable structure screw to ensure good plasticization and quality of flowing substance.

The distributing box is specially designed,which has extra-sized thrust bearings with long rotation lifespan.They are originally imported and can bear more powerful extruding pressure.

Equipped with forced feeding device,the extruder ensures consistent speed of material discharging and extruding.