belt conveyor roller 1.Standared:DIN,CEMA,AS,JIS 2.Size:89mm*6204 3.Material:Carbon steel 4.Used:Coal mine,power,industry Our company is a specialized factory of making belt conveyors and accessories for many years.It has already acquired the attestation of ISO9001:2000 quality managing system, MA qualitymanaging and various honors.The above technical conditions can guarantee the idler enjoy ...