We provide machine tool forging as: shaft sleeve, crank shaft, gear ring, screw set, bolts and nuts, We are professional manufacturer of oil equipment forging in China, our product include: Casing head forging, tubing head forging, casing spool forging, tubing spool forging, three-way, six-way forging, eight-way forging, valve body forging, double-flange joint forging, locking coupling forging, ...