According to Jerome McCarthy, "basic marketing" : a market is a group of potential customers with the same needs; They are willing to trade the goods or services offered by the seller in exchange for something of value, which is the way to meet the demand. At the same time, the company also announced that it will acquire 450,000 tons/year calcium chloride unit and 49,000 tons/year calcium chloride plant of the giant chemical group of China, with 6402, 53.1 million yuan. Xinlian chemical and plasticizing plant realized the revenue of 3251, 86.30 million yuan respectively in January and November of 2017, achieving a net profit of 97 yuan, -3.27 million yuan. The acquisition can improve the self-balancing ability of hydrogen chloride and hydrochloric acid in the company, and it is expected to guarantee the operation stability of the industrial chain after the completion of the acquisition. In 2018, we need: This sharp reversal contrasts with the flattening of the previous yield curve. Create a safe environment to support innovation - inevitably, some of the bubble will burst, some milestone will not be achieved, some projects will evaporate, investors hit hard, makes people calling for regulation. But if we regulate the old structures and paradigms, we will stifle innovation.