Competition refers to the economic subject in order to maintain and expand their own interests and take all sorts of behavior, the behavior of self-protection and expansion efforts in product quality, price and service advantages, varieties, etc. For those who have already dabbled in this field, their confidence in the future of the blockchain has been validated and consolidated through a huge crowdfunding fund. So far, about $3.6 billion has been raised based on the etheric block chain, which makes it a "killer app" for the platform. 1. Enterprise income tax Refrigerant season price performance is good, overall profit is good