Lafarge Malayan Cement Bhd subsidiary Supermix Concrete (Malaysia) Sdn Bhd has acquired the remaining 57 per cent stake in Supermix Asia Pte Ltd that it does not already own from another Lafarge subsidiary Supermix Concrete Pte Ltd for RM5.7 million cash.  Through the acquisition of the 684,000 shares or 57 per cent stake, Supermix Asia, which holds a 70 per cent equity interest in Supermix Concrete (Vietnam) Co Ltd, was now fully owned by Supermix Concrete Malaysia, it said on March 14.  Published under Cement News