橋梁鋼筋外露補強修復

Reinforcement and repair of exposed steel bars on bridges

橋梁排水管新設及更新

Reinforcement and repair of exposed steel bars on bridges

橋梁伸縮縫更新

Bridge expansion joint updates

橋梁＞0.3mm裂縫補強修復

Reinforcement and repair of bridge >0.3mm cracks

結構漏水高壓灌注修復

Structural water leakage high pressure pouring repair