① optical module + charging pile + semiconductor, used for 800G optical module chip base to achieve batch stable supply, PVD equipment cooling plate products for small-scale shipment, this company's alloy materials can be used in the field of new energy vehicle fast charging. ② thermal management + data center, maglev chillers have earned revenue, can be used in data centers and other places with ambient temperature requirements, this company has 100% independent intellectual property rights.