Cangzhou Huali Precision Casting Co., Ltd.

31/07/2026

19/07/2026

Molds for manufacturing cast iron manhole covers and stormwater grates.

16/07/2026

All types of ductile iron manhole covers & drain gratings, custom-made available. Direct supply from factory, wholesale price even for one piece.

16/07/2026

We adopt globally advanced full-automatic production lines for ductile iron manhole covers and drainage gratings. Custom production is available strictly based on any customer drawings

10/07/2026

We have specialized in manufacturing manhole covers and drain grates for years, focusing on supporting drainage products for municipal infrastructure. Six-protection manhole covers effectively solve common road problems including pavement settlement, vehicle noise, cover loss and pedestrian slipping. Widened and densely arranged drain grates filter debris to avoid clogging and drain ponding rapidly during heavy rains. Stable materials resist acid and alkali corrosion, suitable for urban & rural roads, commercial streets, schools, hospitals and factory pipeline renovation. Full specifications with custom mold service, qualified for inspection and project acceptance.

10/07/2026

Complete safety drainage solutions for urban roads. Heavy-duty ductile iron manhole covers resist repeated truck rolling without cracking or deformation. Thickened drain grates expand water passing area to quickly drain road ponding in rainy seasons and eliminate waterlogging risks. Products are durable with a service life of decades. Direct factory supply without middleman markup, one-stop supply for overseas engineering projects.

10/07/2026