Jiangsu Erma Fluid Power Component (江苏二马液压元件有限公司, formerly known as Jingjiang Erma Construction Machinery Parts Factory) is a company specializing in threaded cartridge valves and precision parts. It offers check, throttle, relief, pressure-reducing, solenoid, and other types of valves. The company caters to construction and agricultural machinery, material handling equipment, ships, aviation, wind power, sanitation equipment, and other markets.