The registration address of chongqing bian ventilation equipment ltd. Is located at 324 boulevard road, banan district, chongqing city. The registration authority is the market supervision authority, banan district, chongqing city. The legal entity is represented by chen jun and operates on behalf of chen jun and includes the processing and sale of ventilation equipment; installation of pipes, utilities, electrical and mechanical equipment; technical development in the field of mechanical and electrical equipment; and sale of hardware, wind and valves. (projects subject to approval by law and subject to approval by the relevant authorities before operating)***