Chongqing Er'an Mechanical and Electrical Equipment Engineering Co., Ltd., established on 2005-01-27, The business scope includes professional contracting of construction mechanical and electrical installation engineering,First-class professional contracting of fire protection facilities engineering,Electronic and intelligent engineering professional contracting two poles,Steel structure engineering professional contracting level 2,Construction general contracting level three,pressure pipeGC2class(Engaged in business according to the period approved by the administrative license),engage in construction related business(Business items subject to approval,Can operate after obtaining approval),air conditioner for sale,communication equipment(Transmitting and receiving equipment not included),General Machinery,Valves and accessories,building materials(Free of Hazardous Chemicals),Welding materials,metallic material,Chemical Products(Free of dangerous chemicals and precursor drugs),electrical material,swimming pool equipment,manufacture,processing,Sell Ventilation Equipment,steel structure,seismic support,Integrated bracket,Pipe gallery support,Photovoltaic support,Duct Assembled Pipe(manufacture,Processing limited to branch operations),Construction Equipment Leasing,computer software,hardware development,Computer System Services,Import and export,Technology Import and Export(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)