欧美国产成人在线|亚洲国产日韩欧美在线a乱码|日韩美女中文字幕|国产亚洲欧美日韩在线观看

The 30th China refrigeration exhibition ended successfully in Shanghai

2019 China Refrigeration Exhibition (Shanghai) was successfully held at Shanghai New International Expo Center from April 9th to 11th.Quzhou Jinyuan Hongtai Refrigerant participated in China Refrigeration Exhibition for 10 consecutive years, and showed new environmentally friendly refrigerant solutions at this exhibition, attracting industry experts, design institutes, university research institutions, air conditioner manufacturers and distributors from all over the country and around the world.