About Us
Company Introduction
Hongke focuses on ductile iron manhole covers, gully gratings, drainage covers, tree gratings and custom cast iron products for road, drainage and municipal infrastructure projects. Our main products include EN124 D400 ductile iron manhole covers designed for durability, safety and long-term performance. We support customers with product selection, drawing-based customization, load class recommendations, surface treatment and project-based casting solutions. Based in Xuzhou, Hongke serves customers in infrastructure, drainage and public facility projects with reliable products, quality testing and responsive service support.
With over 10 years of foundry and export experience, we integrate R&D, mold design, precision casting, machining and inspection to deliver reliable solutions that meet international standards such as EN124, ISO 9001 and CE.
Our products are widely used in roads, sidewalks, industrial facilities, utilities, airports and ports. We focus on quality, innovation and long-term partnerships, providing OEM/ODM services including logo, pattern, size and packaging customization.
Global Supply & Manufacturing Strength

Factory Photos
Casting Workshop
Molding Workshop
Machining WorkshopOffice Photos
Main Office
Meeting Room
Product ShowroomLaboratory & Quality Control Photos
Material Testing
Dimensional Inspection
Final InspectionCertifications
Hongke is a professional manufacturer specializing in ductile iron manhole covers, gully gratings, drainage products, and customized casting solutions.
We control quality through strict production procedures, including raw material inspection, casting process control, dimensional checking, and final product inspection before shipment.
Yes. We support OEM and customized projects, including special sizes, product designs, logos, and specifications based on customer drawings and project requirements.
Our products are widely used in municipal infrastructure, road construction, drainage systems, commercial developments, industrial areas, and other infrastructure projects.