Maanshan Shuangyi Machinery Manufacturing Co., Ltd., established on 1999-10-19, Business scope includes metallurgical machinery,electrical tools,Green facilities,Non-standard industrial and mining accessories,nozzle,Manufacturing of lifting and transporting equipment,Install,repair,Sales;electronics(Cars not included),Chemical Products(Does not contain dangerous goods,developing drugs),metallic material,ore(minerals allowed by the state),Refractory Wholesale,retail;Machining,technical consulting;Rail train wheel processing and sales,Rail train wheelset assembly and sales;Self-operation and agency of various commodities and technology import and export business(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export);Construction labor subcontracting;Mechanical and Electrical Installation Engineering;Steel structure engineering;Electronic Engineering;Intelligent installation engineering;Municipal public works.(Projects that require approval according to law can only be operated after being approved by relevant departments)