Shanghai Green Leaf Perfumery Co., Ltd. is one of the top manufacturers and exporters of menthol crystal and peppermint oil in China. As a member of Green Leaf Group, Shanghai Green Leaf Perfumery Co., Ltd. is specialized in producing and supplying natural menthol crystals, dementholized peppermint oil, spearmint oil, and other essential oil as well as aromatic chemicals. Our company has established a whole distribution network covering many top domestic and overseas toothpaste factories, pharmaceutical companies, perfumery factories, chemical factories, as well as some famous trading agents....