What does class two of Haomai Group mean?

Working hours. Haomai Group is responsible for the operation of high-end CNC machine tools such as machining centers, boring and milling machines and lathes. Haomai Group has two shifts, that is, two people work in turn every day. Boring and milling machine is a kind of machining tool commonly used in machining industry, which integrates the functions of boring machine and milling machine, making machining efficiency higher and precision better, and greatly improving product quality and labor efficiency.