ressure, flat characteristic curve, ?range of use, stable performance and so on.Production?equipment
Henan dajing fan technology co., LTD. Is strictly implement the standards, focus on the field of ventilation, is committed to science and technology to create a good environment concept!
Equipped with high-speed fiber laser cutting machine, CNC spinning machine, high precision dynamic balancing machine, automatic field vibration balancing instrument, comprehensive test instrument and other fa