... manufacturer of forged rings for Wind tower,Blade,Gears, Ring Gears, Swing Bearings, Shaft ,Cylinder Shaft, Collared Shaft ... ,ship-building,metallurgy,mining,hydraulic pressure, gear case,port,ship driving mechanism and so on. Annual capacity is 30 ... all operated by robot arm. Strict heat treatment and hardening and tempering process provide quality reliability assurance for different material ...