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Hi,

Would like someone in china, to explain a few question about tea leaves.

a) My friend has given me a few pack of Tieh Kwan Yin tea to me recently, as
there is no expiry/ validity date on the packet.May I enquire what is
effective date (durations to last) for tieh kwan yin normally.

Wld appreciate it if someone can reply me . thanks!



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