About GLG Shanghai Green Leaf Group (GLG) is a technology, industry and international trade integrated enterprise, the headquarters locate at Far East Plaza of Hong Qiao CBD Shanghai ,China. GLG group includes: Shanghai Green Leaf Perfumery Co.,Ltd . Fuyang Green Leaf perfumery co.,Ltd(USA). Shanghai Apex INT¡¯L Trading Co.,Ltd. Fuyang Best Flavor Manufacturing Co.,Ltd. Our group is professionally engaged in R&D, manufacture and international trade in the natural/synthetic flavors