According to the Zhitong Finance App, Dagang Co., Ltd. (002077.SZ) released its 2022 annual performance forecast. The net profit attributable to shareholders of listed companies for the whole year is 40 million yuan to 52 million yuan, a year-on-year decrease of 61.80%-70.62%.

Explain the reason for the change in performance 1. During the reporting period, due to the comprehensive impact of the COVID-19 pandemic, including the impact on the consumer electronics market, which had a great impact on the company's integrated circuit packaging and testing business, both revenue scale and gross margin declined compared to the previous year. During the reporting period, Suzhou Keyang, the company's packaging business entity, expected net profit to drop by about 22 million yuan compared to the same period last year; testing business entity Shanghai Minai expected net profit to drop by about 14 million yuan compared to the same period last year.