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No. 1 Xingye Street, east side of the East Outer Ring Road, north of Chengdong Industrial Street, Leshou Town, Xian County, Cangzhou City, Hebei Province
Manhole covers are used to seal the openings of underground shafts in roads, residential communities, municipal utility networks, industrial parks, and factory sites, providing protection against rainwater, sewage, electrical, telecommunications, and gas inspection chambers. They offer load-bearing support to prevent pedestrians and vehicles from falling in, while also accommodating drainage, maintenance access, and safe passage. Available in four main categories—municipal heavy-duty, residential light-duty, composite eco‑friendly, and ductile iron—they are suitable for a wide range of applications, including roadways, sidewalks, landscaped areas, parking lots, and more.