LIFESTYLE products group Osim Intenational held its 40th anniversary on Wednesday at a glitzy gala dinner held at Shangri-La Singapore. Founder Ron Sim hosted about 600 guests, including Law and Home Affairs Minister K Shanmugam, business leaders and associates. Osim, which is best known for its massage chairs, now operates a point-of-sales network with more than 401 outlets in 85 cities across 19 countries. The group was listed on the Singapore Exchange in 2000 and taken private in 2016.