According to the second detachment of the City Urban Management Law Enforcement Bureau in accordance with the unified deployment of the Municipal Bureau, in-depth along the streets of the catering business, publicizing the relevant provisions of the oil smoke purification aspects, urging the business households to install and correctly use the purification equipment, adhere to the principle of "every store must enter, every store must be checked," the front service, tracking supervision, the implementation of oil smoke The management of standards, purify air quality, and create a clean, civilized and orderly urban environment.

The range hood, also known as the hood, is a kitchen appliance that purifies the kitchen environment. It is installed in the kitchen above the stove, can be stove burning waste and cooking process produced by the harmful fumes quickly extracted, discharged outdoors, while the fumes condensation collection, reduce pollution, purify the air, and have anti-virus, explosion-proof safety and security role.