2017中國製冷展-上海(CRH 2017 - CHINA REFRIGERATION 2017 April 12-14, 2017 Shanghai, China)
CRH 2017 - CHINA REFRIGERATION 2017 April 12-14, 2017 Shanghai, China
2017中國製冷展_上海
CRH 2017 - CHINA REFRIGERATION 2017 April 12-14, 2017 Shanghai, China
2017中國製冷展_上海