Buy Sanguinarine Our History Ever since its establishment in 2011, Kang Biotech has been committed to the comprehensive development and utilization of Citrus functional ingredients, and to provide our partners with premium products complying with generally accepted criteria. In 2015, Kang鈥檚 factory was set up, mainly focused on manufacturing, and attentively. We promise to provide premium products and considerate service for all our customers.Buy Sanguinarine website:http://www.citrus-extracts.com/