SCM was established in 1952 and mainly engaged in manufacturing tower crane, construction hoist, concrete machinery and spare parts. we are potain technology.we are the first one in this industry to gain ISO9001 certificate, and has been entitled as a ¡°Nation-wide customer Satisfaction¡± enterprise by the China Association for Quality for seven consecutive times. we are NO Tower in China. and our hoists are also very popular all over the world.