These are related to the valve blade news, in which you can learn about the latest trends in valve blade and related information industry, to help you better understand and expand valve blade market.
Recently, "A closed-loop feedback precise ventilation high-efficiency fan and fan control method" independently developed by Fans-tech obtained the invention patent authorization (certificate number: 5706725).The invention integrates high-efficiency paddle-type ventilation rotors, air volume test fe
