China DONGHUA Transportation Chain Carbon Steel Chain, Find details about China Steel Pintle Chain, Conveyor Chain from DONGHUA Transportation Chain Carbon Steel Chain
1. Technical parameters:
2.Production flow chart
1.incoming material
2.inspection
3.production of chain board (cold roll steel/punch/heat treatment/shot blasting/cleaning)
4.production of roller(burr wiping & smear/heat treatment/wiping grinding/cleaning)
5.production of quill(burr wiping & smear/centerless cylindrical grinding/heat treatment/shining)
6.production of shaft(cutting/chamfering/heat treatment/ centerless cylindrical grinding/cleaning)
7.assembling
8.final inspection
9.packing
3.Certificate