The creation of oolong tea involves repeating stages to achieve the desired amount of bruising and browning of leaves. Withering, rolling, shaping, and firing are similar to black tea.
References
↑Zhongguo Chajing pp. 222–234, 271–282, 419–412,chief editor: Chen Zhongmao, publisher: Shanghai Wenhua Chubanshe (Shanghai Cultural Publishers) 1991.
↑Joseph Needham, Science and Civilization in China, vol. 6, Cambridge University Press, 2000, part V, (f) Tea Processing and Use, pp. 535–550 "Origin and processing of oolong tea".