After 1978, launched a portrait art, the value of advertising photography, color transparency mounts up and Kuo Yin, slide production, photographic equipment repair and other new business projects.

• 1978年以后，开展了人像艺术、商品广告摄影、彩色透明正片放大和扩印、幻灯片制作、摄影器材修理等新的业务经营项目。