Oolong tea is called Blue(green) tea.
Oolong tea is a Semi-oxidised tea. It has the most complex making process from the 6 basic types of Chinese Tea.
It grows in 4 main areas of China:
1) Northern Fujian(Wuyi Mt.): It is also known as Rock Tea or Wuyi Rock Tea
2) Southern Fujian(Quanzhou): It is well known for Iron Goddess etc.
3) GuangDong(Chaozhou): It is also known as DanCong from Phoenix Mt.
4) Taiwan(Whole island): It is well known for its high mountain tea
The Iron Goddess is from Anxi City in south of the Fujian Province and also known as Tie Guan Yin in China. It is one of the top ten Chinese teas. This teas divided into two categories: lightly oxidised and heavy oxidised. MY Teahouse offers the lightly oxidised Iron Goddess.