Hinged Belt Chain Hinged Belt Chain, CNC Steel Scraps Conveyor, Hinged Belt Chip Conveyor Chain CNC Steel Scraps Conveyor Hinged Belt Chip Conveyor Chain material : carbon steel, stainless steel pitch for chip conveyor chain : 31.75mm, 38.1mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm  Ruiao Machine Tool Accessories Producing Company was started in 1988. Along with the rapid development of domestic industry over these years, we have completed the transition from a growth company to a mature company that owns an integrated customer service system. Back in 1996, Ruiao Company began to purchase heavy-duty equipment. This paved the way for later mass production of premium products. As of today, we have manufactured numerous machine tool accessories by using our knowledge gained over decades. Our product range covers 10 series of machine tool accessories.Moreover, machine assembly and commissioning service is also available.