
Founded in 2005, Changsha Vigoroustech Co., Ltd. is a global leader in the botanical extract & powder industry, backed by the technical expertise of 6 prestigious universities and 2 research institutions. As a premier manufacturing powerhouse, we hold the No. 1 production capacity for high-demand ingredients, including Ube Powder, Purple Sweet Potato Powder, Butterfly Pea Flower (Powder & Extract), Slippery Elm Bark Powder, Rose Flower Extract, and Glucosylated Steviol Glycosides. Our factory-direct ...