YSF Corporation Limited

CEDD Project : ED/2022/02 Contractor: CRBC Build King JV Period: 12/2025 - Now IoT Sensor : 1 Total Station & 2 Tilt sensors

CEDD Project : YL/2022/01 Contractor: China Road and Bridge Corp. Period: 11/2025 -03/2026 IoT Sensor : 1 MS60 MultiStation

WSD Project : 3WSD21 Contractor: AMAIN CW Yee Hop JV Period: 11/2025 -12/2025 IoT Sensor : 1 MS60 MultiStation

CEDD Project : NL/2020/07 Contractor: BuildKing Civil Eng. Ltd Period: 1/11/2024 -11/2025 IoT Sensor: 1 MS60 MultiStation

DSD Project: DC/2023/07 Contractor: Lanon Development Co Period: 1/2/2025 - 09/2025 IoT Sensor: 2 Total Stations

CEDD Project: ED/2018/04 Contractor: Bouygues TP Period: 01/2021 - 11/2025 IoT Sensor: 12 GNSS, 4 Tilt Sensors

HYD Project: HY/2018/02 Contractor: APY JV Period: 09/2021 - 07/2025 IoT Sensor: 12 GNSS, 8 Tilt Sensors

HKAA Project Contractor: ShunYuen / Ming Hing Engineering Period: 1/2/2024 -now IoT Sensor: 11 Happy GNSS

WSD Project Contractor: Wo Hing Construction Ltd Period: 06/2022 -31/5/2024 IoT Sensor: 10 GNSS, 1 Tilt Sensor

CEDD Project : HY/2020/09 Contractor: Build king - Richwell JV Period: 08/2022 - 03/2023 IoT Sensor: 2 Happy GNSS

CEDD Project: NL/2020/07 Contractor: Build King Civil Eng Ltd Period: 1/11/2024 -11/2025 IoT Sensor: 10 Tilt Sensors

CRBC Project: YL/2020/02 Contractor: CRBC Period: 03/2023 -03/2025 IoT Sensor: 7 Tilt Sensors

HKE Project Contractor: Yee Hop Construction Ltd Period: 3/2020 - Now IoT Sensors: 4 Tilt Senosrs, 2 Vibration

CEDD Project: NL/2017/03 Contractor: BuildKing SCT JV Period: 04/2022 - 2/2023 IoT Sensor: 16 Tilt Sensors

MTR Project: SCL 11234 Contractor: Cerebro Strategy Ltd Period: 1/4/2023 - 11/2024 IoT Sensor: 2 Tilt Sensor & Strain Gage

CEDD Project: CV/2019/03 Contractor: China Road & Bridge Corp Period: 04/2021 - 3/2024 IoT Sensor: 2 Tilt, 6 Vibration, 2 Water Level, 3 Crackmeters

Contractor: Paul Y Period: 03/2023 - 04/2023 IoT Sensor: 2 Tilt Sensors

CEDD Project: ED/2022/02 Contractor: CRBC BuildKing JV Period: 1/2/2025 -now IoT Sensor: 36* LoRa Vibration Sensors

CEDD Project: CV/2021/05 Contractor: CNCEC CRCC15 Period: 1/7/2024 - now IoT Sensor: 6* 4G Vibration Sensors

MTR Project Contractor: China Geo Engineering Corp Period: 1/10/2025- now IoT Sensor: 2* 4G Vibration Sensors

HKHA Project: 200190678 Contractor: Lodco Eng Service Co Ltd Period: 04/2021 - 6/2024 IoT Sensor: 4* 4G Vibration Sensors

HKJC Project Contractor: Lodco Eng Service Co Ltd Period: 01/2021 -06/2024 IoT Sensor: 16* 4G Vibration Sensors

Contractor: Lodco Eng Service Co Ltd Period: 09/2022 - 12/2023 IoT Sensor: 3* 4G Vibration Sensors

HKHS Project Client: HKHS Period: 11/12/2025 - IoT Sensors: 1 Piezometer

CEDD Project: CV/2023/16 Contractor: China Geo-Engineering Corp Period: 03/12/2025 - IoT Sensors: 1 Radar

ASD Project: SSK525 Contractor: CRBC Period: 01/03/2025 - IoT Sensors: 6 Piezometers, 1 Radar, 17 Flowmeters, 6 Soil, 2 Rain Gauges, 2 Meteo

HKHS Project: J-21062 Client: HKHS Period: 10/7/2024 - 6/1/2025 IoT Sensors: 8 Piezometers

MTR Project: 1500TME Contractor: CRBC BK JV Period: 22/4/2024 - IoT Sensors: 1 Radar

WSD Project Contractor: Ming Hing Water Engineering Period: 21/9/2023 - IoT Sensors: 13 Piezometers

HKHS Project Client: HKHS Period: 22/08/2025 - 12/2025 IoT Sensors: 1 Piezometer

CEDD Project: YL-2020/02 Contractor: CRBC Period: 16/11/2023 - 11/2025 IoT Sensors: 3 Radars

CEDD Project: YL-2020/02 Contractor: CRBC Period: 19/9/2023 - 11/2025 IoT Sensors: 4 Radars

CEDD Project: CV/2018/03 Contractor: China Geo-Engineering Corp Period: 4/8/2023 - 09/09/2025 IoT Sensors: 1 Radar

Pear Design Co. Ltd