STIN UCO, short for CHANGSHA STIN UCO RENEWABLE ENERGY CO., LTD, is a part of STIN GROUP, STIN UCO focuses on the supply chain management and consulting service for the safe sourcing of used cooking oil, biodiesel, glycerol, fatty acid, biodiesel processor, refining facilities and oil processing equipment etc in China. We are a sourcing service company instead of a direct seller in China.