This is Oolong tea from Fujian province, the home of China Oolong tea. It is half-oxidized China tea. And It has special and stong aroma. Its color of dry tea leave is golden with greenish. It is super diet tea, even more effective than Puer tea.
It is one of earlier Oolong tea, its harvestime is march each of year. If you have interest in them, welcome to visit their tea plantation.