How much does it cost to install a professional smoke exhaust system if you want to open a self-service paper barbecue shop?
It mainly depends on the size of your store. A few hundred square meters, it won't cost much, mainly smoke exhaust fans, fire dampers, galvanized iron air ducts and smoke vents. Within 5000 fans, every square meter of air duct 120 yuan, that is to say, 100 square meters of air duct, fire damper and smoke outlet add up to 1000 yuan, and a * * * 17000 yuan will come down.