... Dia: 1860mm Modulus: 24 Weight: 2300kg we manufacture spur gear ringthe material can be: AISI4140, AISI1025, 1035, 1045. ... set scientific standard and perfect quality control systemTo meet global market requirements, our company has formed various production lines ... of standard bearing, special bearings, gear, large gear, sprocket, tire, hollow shaft and many other heat ...