BRIEF-Lock-up period for Ningxia Zhongyin Cashmere's 511.1 mln shares to end

March 29 (Reuters) - Ningxia Zhongyin Cashmere Co Ltd

* Says lock-up period for 511.1 million shares to end,

shares to start trading on March 31

Source text in Chinese: http://bit.ly/2o9ULCe

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(Reporting by Hong Kong newsroom)