... product include: all kinds of dowel pins,sheel pin, double cone pin, Casing head forging, tubing head forging, casing ... forging, tubing spool forging, three-way, six-way forging, eight-way forging, valve body forging, double-flange joint forging, locking ... , shipbuilding, pharmacy, metallurgy, water conservation, power plant, pipe accessories and so on. Welcome to contact me for further discussion ...