... 2.Inlet flange,ball joint and bags are optional screw conveyor :1.168,219,273,323,407mm in diameter 2. ... flange,ball joint and bags are optional 3.long lifescrew conveyor :cAdvantagesA) High quality motor and gear box, with heavy duty design, large ... adopts advanced technologies and processes to well meet customers' requirements. High quality products are provided because we have established a strict ...