The product has passed the CE certification and is mainly applied in petroleum, chemical engineering, pharmacy, light textile, military engineering, painting, coal, port, railroad, warehouse, bridge back, etc. for load and unload, pile and move. 1)It adopts double mast and chain driving technology. 2)The controlling system is programmable based on the imported advanced foreign technology. 3)Moving type: electric driving and climbing to a certain gradient. 4)The rising height and load can be changed as required by the customers. 5)There are complete safety equipments and their technical performance has reached the advanced level as the international product.