By the end of 2005, the Group's total assets were 5665438+300 million yuan, its operating income was 665438+730 million yuan and its total profit was 600 million yuan. There are more than 3,800 employees, including more than 65,438 professional technicians +0.550, accounting for 38.75% of the total employees, and 920 engineering technicians, accounting for 23% of the total employees.