N'afọ 1914, Longtan Tea na ụlọ ahịa ndị ọzọ zigara tii na Panama-Pacific International Exposition nke afọ 1915
ma nweta ihe nrite ọlaedo. N'ime afọ 100 sochirinụ, ụlọ ahịa tii ahụ lara n'iyi, ebe Longtan Tea lanarịrị ma mepụta otu ụlọ ọrụ a maara dị ka Henan Xinyang Maojian Group.