In the era of low profit in electronic products, price wars have changed the supply chain. The total output value of China's PCB industry reached 58.84 billion yuan, an increase of 8.6% year-on-year, with an average compound growth rate of 20% in revenue and a compound growth rate of 27% in net profit attributable to the parent company. The following is an analysis of investment in the PCB industry.

　　Due to the concentration of downstream industries and relatively low labor and land costs, China has become the region with the strongest development momentum. In 2017, China surpassed the United States for the first time and became the world's second largest PCB producer. The proportion of output value also increased from 8.54% in 2000 to 15.30%, nearly doubling.

　　As of 2018, the newly planned investment in China's PCB industry reached 95.5 billion yuan, with 72 new investment projects, with an average investment of 1.3 billion yuan per project. The newly planned investment amounts for the first to fourth quarters were 18.5 billion yuan, 25.4 billion yuan, 41.2 billion yuan, and 10.4 billion yuan, accounting for 19.3%, 26.6%, 43.2%, and 10.9% respectively. Analysis of the PCB industry indicates that each quarter's newly planned investment amount is over 10 billion yuan, with 41.2 billion yuan in the third quarter being the peak period for new investment projects.

　　From the distribution of newly planned investment products, there are 63 newly planned investment projects for PCB boards, with a newly planned investment amount of 79.6 billion yuan, accounting for 83.4%. The investment analysis of the PCB industry indicates that there are 6 new planned investment projects for copper clad panels, with a planned investment of 6.8 billion yuan accounting for 7.1%. PCB materials mainly include copper foil, fiberglass cloth, and ink, with 6 new planned investment projects added, with a planned investment amount of 9.1 billion yuan accounting for 9.5%.

　　From the distribution of revenue areas in the corporate market, only 3 out of the top 10 PCB revenue enterprises in mainland China are domestic enterprises; Among the top 20 companies with revenue, only 6 are domestic enterprises. Among the top 10 and top 20 PCB companies with revenue, the proportion of domestic enterprises is 30%