... straightener etc rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 mm Our company has ... , steel making, chemical industry, rolling steel, etc. Such as 180 T oxygen converter, 1550/250 mm slab CCM,18X29 ball ... furnace, 1250mm cantilever straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type ...