that discounts are not applicable for people who ride Business Class carriages on Line 11. Metro cards can also be used on Shenzhen's public bus system. Metro 1-day passes Metro 1-day pass is a smart card that allowed the card holder have unlimited access of the metro system in 24 continuous hours. Passengers can purchase a 1-day pass for RMB 25 in the service center in any metro station. The pass will be activated and the passenger will have 24 continuous hour for unlimited access after the first entrance. When the pass expired, the pass is no longer available for entering a station but able to exiting a station and finish a journey in 27.5 hours. The 1-day passes are not applicable for Business Class carriages on Line 11. Station facilities, amenities and services Some stations have toilets (free of charge), and public telephones. SZMC also operates luggage storage facilities in the concourse above Luohu Station. Mobile phone service is available throughout the system provided by China Mobile, China Telecom, and China Unicom. Like the Hong Kong MTR, Guangzhou, and Foshan metros, station announcements are in Mandarin, Cantonese and English. Some announcements, such as train arrival, are in Mandarin and English only. Cantonese, an important local language, is chosen for the local Cantonese population as well as Cantonese speakers in Guangdong, Hong Kong and Macau. The stations of Line 6 and Line 10 are the first metro stations in China to have 5G coverage. Equipment Rolling stock Line 1 22 Bombardier Transportation Movia 456 6-car sets (101–122) 4 Changchun Railway Vehicles Type A 6-car sets, traction units by Bombardier Transportation (123–126) 26 Zhuzhou Electric Locomotive Works Type A 6-car sets, traction units by Siemens (127–152) 33 Zhuzhou Electric Locomotive Works Type A 6-car sets, traction units by CSR Times Electric. (153–185) Line 2 35 Changchun Railway Vehicles Type A 6-car sets, traction units by Bombardier Transportation (201–235) 17 Changchun Railway Vehicles Type A 6-car sets, traction units by Bombardier Transportation (236–239、241–252), by CRRC Qingdao Sifang (240). 5 Zhuzhou Electric Locomotive Works Type A 6-car sets, traction units by CRRC Times Electric (253–257) Line 3 43 Changchun Railway Vehicles Type B 6-car sets, traction units by Hyundai Rotem (301–343, Some trains now use CRRC Times Electric traction units after have a maintenance in Changchun) 33 Nanjing Puzhen Rolling Stock Works Type B 6-car sets, traction units by Hyundai Rotem (344–376) Line