SDMC--one subsidiary company of COSHIP, our all production use same factory with our mother company. an expert Digital TV IC designer and HD set top box (dvb-t/isdb-t (SATVD-T)/dmb-th), was established in 2003, with over 5 years Digital TV devices developing experience, possessing over 40+ persons expert Digital TV R&D team, and totally over 20 millions pcs IC, module and STB shipment experience, the first-class technology development and QC ability will guaranty SDMC to be your reliable Digital TV device OEM/ODM supplier. Have supplied products to Carrefour and Walmart. etc Power seller.