Sandes Technology Ltd.(STL), was established as one of the leading distributor telecommunication equipments and terminals, also most professional solution provider in public security video surveillance. STL focus on integration development ...

Shenzhen Photon Broadband Technology Co., Ltd. (Photon for short) is a CATV products manufacturer. Since our foundation in 1993, company has been concentrating on the fields of optical transmission network and IP access network, devoted to research ...