China's home-grown satellite navigation system released a restricted ranking service Tuesday, the recognized Xinhua news organization said, as the nation looks for to break its dependence on overseas technology.

The China began developing its space-based routing system in 2000 to stop it having to depend on the US-controlled International Ranking System (GPS), and past reviews have said it will offer a around the world service by 2020.

The Beidou, or Compass, routing program was now offering solutions for The far east and "surrounding areas", Xinhua said, and The Beijing  would release another six satellite in 2012 to grow it to most of the Asia-Pacific location.

The first Compass satellite was released in April 2007, after four other fresh satellites were placed in orbit earlier in the several years. It is not clear how many satellites have been released so far.

Once accomplished, the system will have 35 satellite designed using China engineering, and will offer services for applying, fishery, transport, meteorology and telephony, condition press have said.