Beijing-Xian-Rainbow Mountain

Hi..I will be travelling to your country with my 2 other friends in sept next year and planning to visit beijing, xian and zhang ye danxia national geological park.Appreciate your feedback on this

1.can these places be covered in 6 days?
2.do you provide tour service for zhang ye danxia national geological park?if yes,we would like to know what is your quotation?