APSEMI is a technology-driven professional chip design company specializing in the design and promotion of optoelectronic integrated circuit products, including optoelectronic devices, optocouplers, optocoupler relays, and optoelectronic driver chips. The company integrates design, manufacturing, sales, and service operations. Headquartered in Shenzhen Software Park, Nanshan High-Tech Development Zone, APSEMI operates an advanced fully automated production line for optoelectronic devices with an annual production capacity of 80 million optoelectronic coupler units.