+86 755 27508110
Automatic Air Filter Cleaning Machine for HK MTR Train 港铁车厢空调隔尘网自动清洗线
COVID-19 Precautions - Train Compartments
Automatic air filter cleaning machine for HK MTR train
直击抗疫实况 - 车厢篇
港铁车厢空调隔尘网自动清洗线