Tea is a well-known refreshing beverage worldwide. It has been unified with the world culture, especially in Indonesia and Asian countries. Indonesia produced 162,587 tons of tea in 2000. Unfortunately, its production had declined as much as-0.58%/year to a total of 140,236 tons in 2018 (Directorate General of Plantation, 2019). Moreover, the domestic tea consumption from 2002 to 2008 was descending. It had been decreased by 4.75% per year. Domestic tea consumption was only reaching 0.35 kg/capita per year. In contrast, Turkey placed as a country with the highest tea consumption in 2011 worldwide. They consumed 3,157 Kg/capita of tea products per year (Narmada et al., 2020; Shannon et al., 2017)

Tea demand is forecasted to be grown by 5.5% per year from 2017 to 2024 with a value of US $73 billion (Voora et al., 2019). Indonesia secures the seventhplace of greatest tea exporting country after China, Sri Lanka, Kenya, India, Vietnam, and Argentina. Indonesia had contributed to the world's total tea export by 2.98%(Data and Information Center, 2019). Indonesia tea export volume in the range of 2000 to 2019 was decreasing as much as-1, 33% per year. In 2000 and 2019, it had dropped to 105,581 and 42,810 tons, respectively (UN Comtrade, 2020). The export values also decreased by-0.35% per year. This value was equal to US $112,105,575 in 2000 to US $92,347,338 in the year 2019 (UN Comtrade, 2020).