Group 1 - The company, Blue Arrow Electronics (301348.SZ), has the capability to cover the entire process of packaging and testing for wafers ranging from 4 inches to 12 inches, addressing the needs of various fields such as consumer electronics, automotive electronics, and industrial control [1] - The company has established an annual production scale exceeding 19 billion units, with actual output being dynamically adjusted based on market order demand and capacity utilization [1]