[ HUIJIA] after the long-term market practice, based on the market, it has established a sound marketing network. And it has strengthened market strategy, product supply, logistics and transportation, and end-to-end integration of marketing terminals to create a one-stop three-dimensional network with high efficiency and optimize all aspects of the marketing system. It has creatively positioned on the specific implementation strategies of products, prices, channels and promotions so as to create a market-oriented three-dimensional network system with market competitiveness, and to build a full-chain model from production, sales, installation and after-sales. The network has spread all over the country. In order to meet the comprehensive needs of customers, the company has set up a national service customer center, and is willing to provide efficient, convenient and comprehensive services for consumers.