ผลิตชิ้นส่วนคอนกรีตสำเร็จรูป

deliver ready-mixed concrete for cold storage prevents freezing and thawing damage due to freezing sulphate resistant concrete for structures exposed to sulphate, saline soil, waste water, factory poured concrete. precast concrete for the construction of a sewage treatment pond.

ท่อคอลลูเกต ท่อโพสเท็นชั่น