Hongfu and longevity. The Kangfushou brand of walnut hericium oil is used. Kangfushou Walnut Oil Processing Co., Ltd. was established on February 25, 1996. It develops, produces and sells Kangfushou brand healthy and nutritious walnut oil series products, special vegetable oils, and medicinal products. It is a technology-based enterprise that integrates vegetable oil, grape seed oil, almond oil, high-end furniture maintenance oil and other series of products.