November 23, 2011   Cost decline weakens China choline chloride market   An eFeedLink Exclusive   Price summary   Prices were sharply lower.   Ex-factory prices of 50-percent content choline chloride by major producers in Shandong slipped to RMB5,500-5,750/tone, whereas those in Hebei and Jilin declined to RMB5,250-5,5 ...