You should have an industry representative visit your place. If not, you can call the brand supplier. Look at the phone number on the brand label and send it directly to the manufacturer. Will send people to do actual research, mainly to estimate your sales and geographical location. Take Coca-Cola as an example: it is divided into 160.260.400, etc. , mainly the capacity, the deposit is around 1500. But you are required to display their company's products specially, and the electricity bill is borne by yourself. At present, heating equipment is put into use in this season in the north, and refrigeration equipment recycling is generally not put into use. The task of refrigeration equipment in the whole year is generally put into use before April next year. Specifically, you can buy a bottle of Coca-Cola in a plastic bottle and look at the phone number on the label. This must be the product of Zhengzhou bottling factory.