Daily chemical products are produced from the combination of daily chemical raw materials. Most of the manufacturers of daily chemical raw materials are in the developed coastal areas. Although e-commerce is convenient for many manufacturers to purchase daily chemical raw materials, due to the particularity of the industry, many daily chemical raw materials still need buyers to see the appearance of raw materials to buy, for example, the daily chemical raw materials, lemon flavor there are 4 kinds, water-soluble, oil-soluble, yellow, colorless and transparent, like the daily chemical flavor produced by German Cherry Group. Packaging is to avoid the light preservation of plastic buckets, to smell the fragrance with the nose, must be exposed to the essence of the entity to smell the fragrance, you need to go to the store to see the real thing, so, the daily chemical raw materials professional sales market physical stores have a living space. In Shanghai, Zhongshan Road along a lot of such sales companies, in many cities across the country, there is a professional chemical market, called chemical city.