Chinese consumers are looking to buy more for less.Kevin Frayer/Getty ImagesChina's thrifty consumers are boosting Asian companies with wallet-friendly offerings.Companies like Japan's Saizeriya, Yum China, and Fast Retailing have recently reported strong sales.China is in a prolonged economic downturn, with once free-spending consumers now pinching pennies.China's consumers are tightening up their belts, but not everyone's a loser.