Cocacola has reduced the size of its canned drinks sold in hong kong in a bid to mitigate rising raw material costs.The cans will be reduced by 7 from 355ml to 330ml, Which is the most common drinks can size sold in the world. "The main driver is aluminium," Said keith kaerhoeg, communications director for cocacola asia pacific. The move will affect, among others, cocacola, sprite and fanta