For20yearsinDongguan,Yanfengshinesinair-con&ventilation.Weofferdiverse,top-notchproducts:uniform-flowsquarediffusers,precisely-regulatedvents,flexible&fire-resistantducts,energy-savinginsulatedones,high-tempducts,andefficientfumehoods.Ourexpertteamensuresquality.ChooseYanfengfortrustedsolutions.

更新时间：2025-04-10 直链：www.fengyoucn.com

LinkwellElectric(Shanghai)Co.,Ltd.Wearemainlydealingwithlowvoltageelectricalproductsforswitchgearboardandautomationindustry,suchaspanelfilteran

更新时间：2025-02-05 直链：www.linkwell.org