Gear Shaft, Eccentric Shaft, Herringbone Gear manufacturer / supplier in China, offering 42CrMo Alloy Steel Heavy-Duty Supporting Roller Ring for Rotary Kilns/Dryers, Heavy-Duty Girth Gears with Large Module & Oversized Diameter for Rotary Kilns, Totem Heavy-Duty Precision Vertical Stand Shafts for Rolling Mills and so on.