Mobius International Limited is a Hong Kong-based tea producer with tea making facilities in the Mainland China. We produce and export the finest teas that grow in the Chinese provinces of Fujian, Zhejiang, Anhui, Yunnan and Henan. Our green tea, oolong tea and black tea are produced in ISO-9001: 2000 certified facilities. Nylon mesh filter teabags available. MRL compliant. USA-FDA registered. Regional warehouse in Canada.