Herbal Tea Products import companies and herbal tea products import trade opportunitie

Recently I have had experience of drinking different types of green tea from Turkey. eg green tea for cynus ,for power ,vitamin e etc... I am from Pakistan and what to import these teas from Turkey. Can you please guide/lead me to the manufacturer please so I may have more information of the product. And if possible kindly also guide me thorough me custom and tax structure so that I may know is it feasible to import in bulk or not.