The main rail lifting platform with various inter-working layers of goods transported up and down; a perspective between high-rise garage and underground garage, can not place the excavation pit, the top layer does not reach the height requirements of the occasion and other small space more difficult to resolve, the product of the hydraulic system setting anti-dropping, the upper and lower chain interaction door on each floor and lift the work surface can be set to operate buttons, multi-point control Room sturdy product structure, carrying capacity, stable lifting, easy installation and maintenance, is economical and practical alternative to low-floor elevator ideal cargo transportation equipment. Depending on the installation environment and use requirements lifts choose a different optional, can achieve better results, the products are mainly used in chemical, high temperature, high pressure, power plants, nuclear industrial base, explosives and other explosion-proof business.