The large-height electric valve hall lift produced by Holland Holland Company has the characteristics of super height and large load. The operating height of the HL-285E13 valve hall lift is 28.2 meters, the bearing capacity is 750 kg, and the extension part also carries 750 kg It uses battery electric power as the power source. The width of the machine is only 1.3 meters. It is a very compact working platform. It is used in the valve hall of the converter station. The converter station of the State Grid and the converter station of the South Grid At least more than 20 units, their quality is very good, fully recognized by users.