CyanEX Heavy Industries (CHI)

CyanEX Heavy Industries (Chinese: 蓝星重工/藍星重工) is a manufacturing firm specializing in transportation equipment.

CyanEX Heavy Industries is a subsidiary of the CyanEX Holdings Group.

CXD101
Type-M EMU based on the MTR C-Train, featuring a blue livery.
Briefly ran on Winter Olympics Line (later renamed Winter Olympics Loop Line) before being replaced by CXD103 trains.

CXD102
Type-B EMU based on the MTR K-Train, featuring a orange livery.
Operates on Autumn Valley Line.

CXD103
Type-M EMU based on the MTR C-Train, first introducing the iconic CyanEX cyan & magenta livery.
Operates on Winter Olympics Loop Line and Sightseeing Local Line.

CXD104
Type-B EMU based on the MTR C-Train, with the CyanEX livery.
Operates on Sightseeing Line and Line 2 (Kwong Pak Kwun Line).

CXD105
Type-B EMU based on the MTR K-Train, with a fancy Genshin Impact themed livery made by Asnacinjar.
Operates on Sumeru Line.

CXD106
Type-M suspended monorail EMU train based on the MTR S-Train, with MTR livery.
Features a LCD dynamic PIS system implemented with JavaScript capabilities.
Operated APM services at TeaCon 2023.
Lended a train set to WLT and stored in Chung Kwo Kok Depot for the visual information system (VIS) installation of Line 1 (Meyan Line) Phase 1 trains.

CXD107
Type-B EMU based on the MTR S-Train, with the CyanEX livery.
Features a LED dynamic PIS system implemented with JavaScript capabilities.
Operates on Sightseeing Line.

CXD108
Type-M EMU based on the MTR S-Train, with the CyanEX livery.
Features a LED dynamic PIS system implemented with JavaScript capabilities.
To be deployed on Sightseeing Local Line.