open cart site modification in menu and product front end details

hi everyone i want you to work on a open cart website,i am upload products from another site,once i upload products from other site to open cart site it wont show some of the details like downloads,ean number and manufacturer number on open cart front end,i need to do modification so it show all details on product page 2.i want the same top menu on my website,thats it highly open cart expert needed,who also have experience with uploading products and also can start work right now i want it to do right now