The development of new energy vehicles such as Model 3 is in the ascendant, and the increase in volume and price opens up room for growth in the wiring harness industry. At present, the wiring harness industry is a stock market, and the market scale depends on the sales of downstream automobiles. Under the trend of automobile “new four modernizations”, my country’s automobile production and sales in 2021 will be 26.082 million and 26.275 million respectively, ending the three consecutive years of decline since 2018. situation. At the same time, the incremental demand for high-voltage wiring harnesses and the trend of lightweighting have increased the value of bicycles, further opening up the industry space.