China added microwaves to home appliances that now quality for state subsidies in a trade-in program to spur consumption.Servais Mont/Getty ImagesChina has expanded its trade-in program to boost consumer spending on home appliances.The program, launched in March, includes subsidies and has shown positive results.China faces economic challenges including deflation fears and low consumer demand.China's cautious consumers are spending less, prompting Beijing to dish out incentives even for small home goods.On Wednesday, China added home appliances, including microwave ovens, water purifiers, dishwashers, and rice cookers, in a trade-in program designed to spur demand.The program, which was first rolled out in March, already included bigger appliances like refrigerators, washing machines, TV sets, and air conditioners.