Guangzhou Xinlongda Electrical Appliance Co.,Ltd consists of three parts (The production department,The research department and the export trading departments).The paroduction have processing factory(Rechargeable fan ,extension socket, satellite ...

We are manufacturer of motors and ventilation fan establish on 2003,we have been provided Negative Pressure Ventilation system design services many years now. The contain the speed air flow per second number change hour inside building. can be widly used for ...