... kinds of valve, flange, gear, serrated shaft, herringbone shaft, gear reducer, gear couplings, pin couplings, threaded spindle, nut, shaft products, sleeve products, roll ... models, bridge, structural steel workshop, building frame, conveyer worm, belt conveyer, feeder, bucket elevator, dust extractor, ... 1500 ring, ø1000 flange and ø500 x 17000 shaft.Our casting branch factory has large, medium, small ...