Jiangsu Etern (600105.SH) has stated on an investor platform that the company has achieved a complete industry chain layout from optoelectronic chips, optoelectronic devices, optoelectronic modules to system integration. Optoelectronic devices, optoelectronic modules, and optoelectronic chips have all been put into mass production, and multiple laser chip models have been validated on the customer side. Among them, the optoelectronic chip layout covers three submarkets: passive wavelength division filter chips, arrayed waveguide grating chips, and active laser chips.