[Jingfang Technology: the company is engaged in CIS chip packaging CIS chip is the core of machine vision] April 14, Jingfang Technology said on the interactive platform that the company is engaged in CIS chip packaging, CIS chip is the core of machine vision, and many of the company's customers are used in the field of vision. TSV is a key technology in the integrated application of HBM, and the company is actively paying attention to it.