... pins,sheel pin, double cone pin (Forging blank&finish maching) for drilling rigs We ... 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 ... for further discussion.Paul JingSales managerZhangqiu Baohua Forging Co.,LtdTel: 0086-13853179742Fax: 0086-0531 ...