According to the latest "2022 China Electronic Circuit Ranking List" released by the China Printed Circuit Association (CPCA) in 2023, compared with the previous year, the entry threshold has dropped by 28 million RMB, a year-on-year decrease of 4.84%; sales of top 100 PCB companies A total of 319.125 billion RMB, a year-on-year decrease of 0.11%....