November 21, 2008   China's vitamin D3 prices edge lower on slack demand   An eFeedLink Exclusive     Prices were marginally lower. Date: November 19, 2008 Region Imported Products (RMB/kg) Locally Produced Products  (RMB/kg)   　 Offer Price Transacted Price Offer Price Transacted Price North 88-105 85-102 51-54 50-53 ...