BRIEF-Lock-up period for Yunnan Chihong Zinc & Germanium's 425.6 mln shares to end

March 23 (Reuters) - Yunnan Chihong Zinc & Germanium Co Ltd

* Says lock-up period for 425.6 million shares to end,

trading to start on March 31

Source text in Chinese: http://bit.ly/2nMeYhj

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(Reporting by Hong Kong newsroom)