Not only for native English speakers. It is not uncommon to meet other nationals with a high proficiency of English to take time out and teach English abroad. Teaching English abroad can make guaranteed employment a reality. It also offers the opportunity to experience a whole new life elsewhere with new surroundings and new cultures. It has become plain to see that China will be one of the major players in international business as it has set out to be in recent years.
Many people come for a year and end up staying two or even longer.
Of course you could go to mainland China but Taiwan is crying out for teachers as you can see here in this sits vac taken from a recent Taiwanese newspaper. It's possible to sign up for a course in Chinese language or culture or martial arts to be eligable to remain in the country. Ln.119, Chu-Lin Rd. Yong Ho City, Taipei, Taiwan.