Drainage Canal Supporting Structures D-1, T. Bang Gao A. Cha-am, Phetchaburi

Drainage Canal Supporting Structures D-1, T. Bang Gao A. Cha-am, Phetchaburi

Girder

Rapid Flood Protection Structures – Rojana Industrial Park, Ayuddhaya

Rapid Flood Protection Structures – Rojana Industrial Park, Ayuddhaya

Prestressed Concrete Pile