1, brand strength. Hangzhou Hikvision Digital Technology Co., Ltd. is a scientific and technological company focusing on technological innovation, ranking third among Zhejiang high-tech enterprises 100, while Wuhan Gaode Infrared Co., Ltd. is a private listed company specializing in R&D and production of infrared detector chips, infrared thermal imaging products, integrated photoelectric systems and complete weapon systems.

2. Time of establishment. Hangzhou Hikvision Digital Technology Co., Ltd. was established on 200 1, while Wuhan Gaode Infrared Co., Ltd. was established on 1999. Compared with the brand strength and the establishment time, Wuhan Gaode Infrared Co., Ltd. is strong.