Special box

Immediate restoration work and suitable for night work! Please contact our company for any type of manhole.

Our company manufactures "special manholes." We can produce various square-sized manholes, special manholes, and rectangular assembly shafts upon order. We replace on-site casting with precast products, providing high-quality construction and shortened construction periods. 【Features】 ■ Provides high-quality construction and shortened construction periods ■ Capable of manufacturing various square-sized manholes, special manholes, and rectangular assembly shafts ■ Confirm design conditions, perform structural calculations, and determine thickness and reinforcement, then submit manufacturing drawings (approval drawings) based on the initial plans ■ For large items, we manufacture using split products (for assembly) that pose no structural issues *For more details, please refer to the PDF materials or feel free to contact us.

Dam constructionWater Supply FacilitiesOther earthworks, foundation works, and exterior floors