Animated video about 20 minutes, the script is till being written.

I need a HD animated video for a sale script of 2,500 words. It's probably about 20 minutes. I need to insert 4 other video clips in the animated video too to make a complete sale video of about 35 minutes. I don't know much about what are required here for a successful video. Please bid based on what you think. Ask me more question if my description is unclear. I found a couple of animated video samples: [login to view URL] [login to view URL] Thank you Tuan