including design originality, manufacturing process, drawing, processing technology, cost calculation, and function
Design ideas for mechanical parts? Never heard of it. I've only heard of mechanical creativity.
Estimate is very suspended, needless to say, free of charge, that is, you go to buy, nor necessarily sell you. This is someone else's technical secret, it's not good to go inside for several years.
That thing has to be paid for, no white lunch. Besides, you say that is a set of design scheme, sometimes involving intellectual property rights of enterprises / if you are the designer, the graduation design, I can tell you sorry, nobody will give you, at least I don't, those things are all mechanical design personnel spent a long time with a lot of effort to get out of the way they want to.
