CE and ISO9001:2008 Certificate Local Goverment authorized only supplier. Largest Factory in the North part of China. Medium Duty Type A Rack has delicate design and proper structure for conenient installation without any bolt connector and it bears 100-200 kgs per layer. It is widely used in supermarket, store, and enterprises. This product has achieved the level of international standard, the height could be adjusted up and down randomly every 50mm.