HNB® We are a leading contract manufacturer of ingredient for dietary supplements, food and cosmetic markets. HNB®’s advanced technology and innovative research in Marine collagen manufacturing and application are recognized as outstanding contribution to the industry development. And in 2014 May, HNB was honored with top award by China National Government. HNB® is an ISO22000 and HALA certified company that operates out of its 180,000 sq. ft. workshop located in the capital of Zhejiang Province in CHINA. Assured by expertise and knowledge, HNB® products are considered as the highest standard quality from lot-to-lot and are easy-to-use.