Zhangjiagang Haiguo New Energy Equipment Manufacturing Co., Ltd. researches, develops, produces, and sells forgings in China and internationally, together with its subsidiaries. Its products include oil and gas equipment forgings such as casing heads and tees, tubing heads and hangers, Christmas tree components, deep-sea equipment, high/low pressure wellheads, combination and main valves, fracturing heads, and drilling fours; wind power equipment forgings such as planetary gears and axis, sun gears, internal gear rings, large wheels, spline switches, and support shafts; mechanical equipment forgings including rolling mill rings and conical sleeves; and other forgings such as pressure vessel and marine components. The company also engages in trade and investment activities. Founded in 2001, it is headquartered in Zhangjiagang, China.