... machine tool forging as: shaft sleeve, crank shaft, gear ring, screw set, bolts and nuts, We are professional manufacturer of oil equipment forging ... me for further discussion.Paul JingSales managerZhangqiu Baohua Forging Co.,LtdTel: 0086-13853179742Fax: 0086-531-83861079 Machine tool forging parts(blank&finish machining)