hoist is made of high-strength aluminum alloy, effectivly reduce the deflection and the swing while hoist lift and down. made of world advanced Hydraulic Pump and motor with CE certificate, which ensure the machine work in a low noise and stable situation. D.C. power is available for each type of our product based on the customer`s requierment. The isolated electrotechnical box unit with anti-leakage and over-load protection is safe and reliable. solid-state relay is used, without electric shock, no spark, dust resistant, withstand vibration. Safety cartridge leg is used in GTWY6-100, GTWY8-100 to protect the operator mandatorily. selective accessories can offer you a comfortable way of loading and unloading, and make mobile operation easily.