How to Add Product Category to a page

Please i am very much new to WordPress and Woo-commerce, i am working on a woo-commerce site but i have been trying to get a particular product category to appear in the page i created for such eg:
in wwww.calhealthyliving.com i created Navigation menu like this

Products Categories
-Chinese Herbal Medicine
-Food Supplements
-Cosmetics
-Body Testing Analytical Machines and more i have also created pages representing the sub menus but my problems now is how to make a particular product category created and products assigned to on it to appear on the corresponding page when click on menu. any useful help will be appreciated

https://wordpress.org/plugins/woocommerce/