We supply high quality steel round bar, square bar, hollow bar, square block, multi-shaft, roll shaft, ring, disc, cylinder, blind disc etc from forging/rolling machining, Q+T, drilling,milling, threading, packing, shipping etc one stop service. Main steel 1045, 4140,4145,4330,4340,18CrNiMo7-6, 34CrNiMo6, non-mag
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