See also:
http://steepster.com/teas/menghai-tea-factory/28844-2011-menghai-dayi-wu-zi-deng-ke
"wu zi deng ke (五子登科)" means "may your five sons achieve great success in the imperial examinations". In Chinese ancient, a family had five sons, and the five sons studied hard, and had high qualities in every respect, and the five sons achieved the great success in the imperial examinations, and became useful to the country.
Now "Wu zi deng ke" means the quality of the product is very high.
The tea is made from the slender and tender tips in 2008, which are from the green ecological tea plantations in Menghai county and is moderately fermented and processed. It has experienced natural fermentation for three years. The leaf lines are shapely with tight golden hairs, yielding a thick bright red broth with mellow and smooth flavor and pure aged aroma.