On September 27, Thailand's largest GSM mobile phone operator Advanced Info Service Public Company Limited (AIS) and China's technology company ZTE Corporation jointly held the launching ceremony of "5G A-Z Center" in Bangkok, capital of Thailand. Through this innovation center, AIS and ZTE will jointly introduce the latest communication technologies, and apply the new technologies to AIS' business and Thailand's 5G network construction after inspection and improvement, so as to promote Thailand's digital transformation.