Acceleration technology is China's optical device leading enterprise. Currently, Acceleration Technologies has mastered the research and development technology of 1G/2.5G/10G series product chips. In recent years, the upstream and downstream industry chains have taken turns to acquire, and gradually realize 'chip R&D - device manufacturing - high-end packaging' The vertical layout of chemical production and the entire industry chain, including the acquisition of Danish IPX and French Almae, has realized the technological layout in the field of passive and active optical chips. In addition, Apple iPhone X is leading the 3D-Sensing trend. Ascension Technology has mastered the VCSEL optical chip technology and is expected to take the opportunity to enter the consumer electronics field.