Zhangjiagang Guangda Special Material Co., Ltd. researches, develops, produces, and sells steel materials and new energy wind power components in China and internationally. Its offerings include new materials such as gear steel, mold steel, high-temperature alloys, and special stainless steel; cast and forged products for wind turbines, including main shafts, castings, and gearbox components; and cast and forged steel parts for supercritical and ultra-supercritical steam turbines, nuclear power steam turbines, and gas turbines. The company also supplies components made from special steel materials for hydropower, blowers, mechanical equipment, and other industries. Its products serve high-end equipment manufacturing sectors such as new energy wind power, energy equipment, rail transit, mechanical equipment, military equipment, aerospace, nuclear power, and marine petrochemicals. Founded in 2003, the company is headquartered in Zhangjiagang, China.