provide all kinds of forged block, forged round cake, ring forging, shaft forging We are professional manufacturer ... of oil equipment forging in China, our product include: Forged block, Casing head forging, tubing head forging, casing spool forging ... -way, six-way forging, eight-way forging, valve body forging, double-flange joint forging, locking coupling forging, and so on. Materials ...