A joint venture, named Asia Digital Media, was unveiled today to deliver secure technology service and to enable HDTV satellite broadcasting, high-speed Internet and on- line transaction services to meet the needs of the Chinese market.

Investors in the venture include Dallas-based Entrust Inc., a provider of identity and access management solutions; China Aerospace New World Technology Limited; ADML Holdings Ltd.; and RockRidge Asia Digital Media LLC.

Asia Digital Media is expected to help meet several programming, subscriber and technical goals that are part of the Chinese government’s National Agenda project. China Aerospace is a Chinese government-owned company that would provide 13 percent of the venture’s $20 in funding. ADML Holdings Ltd. would pump in 60 percent, Entrust would provide 25 percent and smaller investors would cover the rest.