Shenguan Holdings (Group) Limited, an investment holding company, engages in the manufacture and sale of edible collagen sausage casing products in Mainland China, Asia, and internationally. It manufactures and sells pharmaceutical products and intermediates; collagen food products; collagen skin care products and polymer collagen medical biomaterials; collagen medical devices; and fine chemicals for human use. The company was founded in 1989 and is headquartered in Causeway Bay, Hong Kong.