How about Hangzhou Hengsheng Digital Equipment Technology Co., Ltd.?

Hangzhou Hang Seng Digital Equipment Technology Co., Ltd. is a high-tech enterprise and software enterprise that focuses on independent video and audio coding and decoding technology and provides digital monitoring products and industry solutions for security industry distributors and system integrators.

Hang Seng Digital always regards technological innovation ability as the key to build the core competitiveness of enterprises: the R&D department of the company has a group of senior talents who have been engaged in the research in the field of digital video and communication for many years, and is a tough and enterprising R&D team with rich experience in product development; All products of the company have independent intellectual property rights, and have unique technical advantages in the fields of coding and decoding, storage, management application platform and intelligent processing, and are at the leading level in China.

At present, the company's leading products are DVX distributed digital video monitoring system, digital hard disk video recorder, network video server, digital video matrix, network control keyboard, hard disk storage cabinet, video centralized forwarding server, streaming media distribution server and so on. Its outstanding features are high definition, low bit rate, high reliability and operability, and it is suitable for cross-regional and multi-network protocol system applications. Products and technologies have been applied to education, intelligent buildings, safe cities, the "311"project of the Ministry of Public Security, the National Development and Reform Commission, the military, prisons and detention centers.

Generally speaking, it's ok. It is worth recommending.