1. paint factory: the profit of paint industry varies with brands, sales channels and product types. Online sales can save rent and labor costs, and the profit rate is high. Physical store sales can attract more customers, provide better after-sales service and have higher profit rate.
2. Galvanizing Plant: The essence of galvanizing needs zinc. By inquiring about the price list, we can know the cost and price of zinc materials. 200 yuan, zinc plating needs a lot of zinc, and the profit of zinc plating is not great. Galvanizing is an anti-corrosion treatment method of plating a layer of zinc on the surface of iron products, which can improve the corrosion resistance of iron products and prolong their service life.