① optical chip + optical module, the participating subsidiary owns chip packaging-optoelectronic device-optoelectronic module product line, optical device design and production are at the industry-leading level, the company continues to increase investment in optical module product line. ② optical module components are suitable for optical modules with different transmission rates, and high-speed connectors are used in servers, IDC, communication base stations and other fields. The increased demand for computing hardware will bring opportunities for the development of optical communication products for the company.