Create a binding module API docs.otapi.net with Bitrix

you Need to pull on a ready-made template Bitrix tao-24.ru display of goods through taobao

You need to implement:
display of goods on the website
the opportunity to select items for later ordering
the calculation of delivery costs
synchronization with the CBR, setting the margins on the exchange rate
Automatic calculation of the approximate weight for popular product categories.
Substitution in a search query in Russian, Chinese characters

Please write suggestions in the approximate price and deadline.
Payment step-by-step, as you complete work.