JHD Corp - Food Processing Equipment, Plant Extract JHD Corp is a worldwide healthy raw material supplier, located in Ontario, California, worldwide warehouses in USA/Canada/Germany and more. We have over 24 years experience factory in China, with cert JHD Corp is a leading supplier of nutritional raw materials for the nutraceutical and Dietary supplement industries. With a portfolio consisting of everything from botanical extracts to amino acids and vitamins to organic ingredients and more.