Make the shipping method work for my website!

Website build with Joomla. My site work with hikashop platform for e-commerce. The shipping method didn't work. I want to have canada post, ups, dhl and fedex shipping service offer to my client. I would like client to see the quotation of each shipping companies. The plugin that is make for hikashop are not giving the right quotation and canada post plugin didn't work at all... You can see the website on : [login to view URL] Thanks!