... ,CEMA,AS,JIS 2.Size:89mm*6204 3.Material:Carbon steel 4.Used:Coal mine,power,industry Our company is a ... conveyors and accessories for many years.It has already acquired the attestation of ISO9001:2000 quality managing system, MA qualitymanaging and ... 63.5mm-219mm, length 150-3500mm, which are used in the steel industry,harbor, coal industry, power industry, cement industry, etc2.Shaft ...