... diameter 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 ... advanced technologies and processes to well meet customers' requirements. High quality products are provided because we have established a strict ...