Sandmartin International Holdings Ltd. engages in the manufacturing and trading of media entertainment platform products; and connectors, cables, and assorted electronic accessories. It operates through the following segments: Media Entertainment Platform Related Products, Other Multimedia Products, Integration of Signal System and Traffic Communication Network, Satellite TV Equipment and Antenna Products, and Satellite TV Broadcasting. The Media Entertainment Platform Related Products segment sells products used for satellite products equipment. The Other Multimedia Products segment includes components of audio and video electronic products such as cable lines. The Integration of Signal System and Traffic Communication Network segment involves in installation and integration of system and network. The Satellite TV Equipment and Antenna segment offers satellite television components. The Satellite TV broadcasting segment procides direct-to-home services for satellite in Middle East, Mediterranean, and Africa. The company was founded by Tsung Chin Hung, Mei Huei Chen, and Wen I Liao in 1987 and is headquartered in Hong Kong.