Financialexpress.com -- Ranbaxy Laboratories said it has sold its entire stake in Chinese joint venture, Ranbaxy Ghuangzhou China, to HNG Chembio Pharmacy Co Ltd for an undisclosed amount. Ranbaxy Ghuangzhou China (RGCL) is a joint venture formed in 1993 between the Ranbaxy group, Guangzhou Baiyunshan Pharmaceutical Company Ltd, China and Hong Kong New Chemic.