Most, fields are not required but more information is helpful for us to make a reasonable quote.
What's the name of your company and intended website
Describe your company
main contacts for this project and what are their roles? (at least leave an email address or a phone number)
When would you like to start (tomorrow is pretty unlikely, sorry!)?
When does it need to be completed (yesterday is definitely out)?
Write more about what you want and why you want it to be in your website, write your vision and who are you targeting by your website "Consumers, foreign market", keep it short and clean.
If for any reason the information you provide is different then what you want prices might change lower or higher depending on information, but remember it's not always about money.