all food and beverage outlets must be installed.

If it is a small restaurant, you can buy a ready-made grease trap directly.

Provisions on the Management of Waste Edible Oils in Food Production and Business Units

Article 4 Waste oils produced by food production and business units in production and business operations shall be collected in time and put in a closed container marked "Special for Waste Oils", and a special person shall be assigned to take charge of the management; When discharging oily wastewater, facilities such as an oil-water separator or a grease trap marked "Special for Waste Oils" shall be used in a prescribed way.