1.national patent design 2.ultra-thin wall hung 3.suction smoking rate 99% 4.no gather oil only need clean separate plate Important partsLED lamp:Long life, high efficiency, no radiation and low power consumption, theoretical data to 100000 hours.High quality hardware:With oil hole in the below, all of the oil can be fully into the below oil tank, so easily drain oil.Engine lid:Ensure oil and ...