... consists of two rollers(waist drum model), base, frame, rack, transmission device, Bearing, Lubrication device, Decelerator ... production WorkshopPackaging & ShippingOur ServicesCompany InformationQingdao Huicai Machinery Manufacturing Co.,Ltd. is a joint-stock enterprise founded based on ... . Due to its rich technical force, advanced manufacturing technology, complete test means and quality after-sales ...