Over the last thirty years, teaching English in a foreign country has grown very fastly. Nowadays, China has technologically and economically developed a more competitive environment that will not not tolerant causual teacher employment.
Teaching English as a Second Language is the most demanded field. Simply because of the balance of demand and supply, many people who can teach English well tend to get more work coming to them throuh referrals.
China's booming economy is the foremost reason why you should choose teaching in China. Along with the developing economy, Chinese people gradaully realized that schooling has substantial economic value.