① liquid-cooled server + communication equipment, the products can be used in the field of liquid-cooled server, 90% of the revenue comes from Samsung, Flextronics, Foxconn and other famous enterprises, this company will benefit from optical transmission, optical module and other expansion and upgrading ② chip + optical module + robot, pre-research products include MCU+AI, the existing products have been used in robotics, automotive electronics and other industries, the company is Murata, Italy and other optical module business agents.