22S521 “Precast and Precast Concrete Inspection Well” is a core atlas of national building standard design, specially prepared for the standardized construction of municipal drainage engineering, replacing the traditional cast-in-place inspection well construction mode.

Rebar Saddles

With modular and industrialized production as the core advantages, it effectively solves the pain points of long construction period, unstable quality, and large environmental pollution of traditional processes.

It is the core technical basis for the construction and renovation of urban rainwater and sewage pipe networks, and widely adapts to the needs of modern green municipal engineering construction.

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