The size of projects to be financed starts from hundreds of dollars to millions of dollars, and in different fields such as technical production including mobile phone applications and computer software, as well as (the) production of films, fashion and cultural projects, food and so on.
There are really many different ways to phrase the above. A general rule, however, English, especially modern American English, heavily disfavors long "run-on" sentences. Try:
The size of projects that were financed starts form hundreds of dollars to millions of dollars. They also span different fields. For example, within the field of technical production, one finds mobile phone applications and computer software. The production field includes films, fashion, cultural projects, food and so on.