General Projects: Mining machinery sales, Mining machinery manufacturing, Material handling equipment manufacturing, Sales of intelligent material handling equipment, Material handling equipment sales, Manufacturing of special equipment for environmental protection, Special equipment manufacturing( Excluding licensed professional equipment manufacturing), Metal structure manufacturing, Metal structure sales, Import and export of goods, Metal processing machinery manufacturing, General parts manufacturing, Machinery and equipment sales, Mechanical parts、 Parts Sales, Mechanical parts、 Parts processing, Hardware product retail, Hardware wholesale, Metallurgical special equipment manufacturing, Sales of metallurgical equipment, bearings、 Gear and transmission parts sales, Rubber product sales, Manufacturing of metal chains and other metal products, Sales of metal chains and other metal products, Electronics sales, General mechanical equipment installation services,Labor Services( Excluding labor dispatch)。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Construction labor subcontracting。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)