Premium Precision Cast Manhole Covers for Optimal Durability

Welcome to Hengyi

Professional Precision Casting Manufacturer

Handan Hengyi Metal Products Co., Ltd. is a professional precision casting manufacturer integrating casting, machining, and global sales services. Established in 2022 and located in the Foundry Industrial Park of Jize County, Handan City, Hebei Province, China, the company operates a modern manufacturing facility covering approximately 20,000 square meters. Equipped with advanced automated molding lines, electric furnaces, automatic pouring systems, shot blasting equipment, and comprehensive quality inspection facilities, Hengyi specializes in producing high-quality ductile iron castings, gray iron castings, cast steel components, aluminum alloy castings, and other customized metal parts.

30,000

Tons Production Capacity

20,000

㎡ Base Area

Export Countries

ABOUT US

Products

Explore our precision castings engineered for strength, durability, and consistent performance across diverse industrial applications worldwide.

Square Ductile Iron Manhole Cover

This series of square ductile iron manhole covers is made of QT500-7 ductile iron cast in one piece, following the national standards GB/T23858 and EN124. Equipped with multiple load-bearing levels, including ordinary direct bearing, anti settlement, hinged joint, and double-layer sealed structures.

EN124 D400 Ductile Iron Manhole Cover for Main Roads

This square well seat circular manhole cover is strictly produced in accordance with the EN124 European road manhole cover standard.

EN124-2 Standard Ductile Iron Drain Grate

USME earned spot on the Inc.5000 Fastest Growing Company list for the 11th time

EN1433 Standard Ductile Iron Ditch Grate

This ditch grate is strictly produced in accordance with the EN1433 European drainage ditch standard.

Advantage

Advanced Automated Production Equipment

Hengyi operates modern automatic molding lines, electric melting furnaces, automatic pouring machines, shot blasting equipment, and complete auxiliary systems. The integration of automated production processes helps ensure stable product quality, consistent dimensions, and efficient order fulfillment for customers worldwide.

Advanced Automated Production Equipment

Comprehensive Quality Control System

Quality is the foundation of our business. Our professional quality management team conducts strict inspections throughout every production stage, from raw material selection and melting to molding, casting, finishing, and final shipment. This comprehensive control process helps guarantee reliable product performance and customer satisfaction.

Customized Casting Solutions

We provide customized casting services for various industries and applications. Whether customers require ductile iron, gray iron, cast steel, or aluminum alloy components, our engineering team can support product development, process optimization, and manufacturing according to drawings, samples, or technical specifications.

Global Supply Capability

With extensive export experience and a customer-oriented approach, Hengyi serves clients across multiple international markets. We focus on responsive communication, reliable lead times, flexible production arrangements, and long-term cooperation, helping customers achieve stable and efficient supply chain management.

Our Service

Sade Machine’s main products include various types of wire mesh machinery and related equipment

Quality-oriented, Customer First

We adhere to the business principle of quality first and customer supremacy. Relying on a sound quality management system, we strictly control product quality to supply stable and reliable precision castings for customers at home and abroad.
Technology Empowerment, Innovation for Quality Upgrade

We devote ourselves to process research and development, continuously introduce advanced production technologies, optimize manufacturing techniques and raise product added value, consolidating our service foundation with strong technical strength.
Low-carbon & Eco-friendly, Sustainable Development

We stick to green production by adopting environmentally friendly raw materials and energy-saving processes to reduce energy consumption and pollutant emissions. We fulfill social responsibilities through eco manufacturing to achieve long-term and stable operation.
Integrity & Win-win, Long-term Cooperation for Shared Prosperity

Upholding the enterprise spirit of pragmatism, innovation and pursuit of excellence, we expand both domestic and overseas markets. We cooperate sincerely with customers, suppliers and partners to seek long-term development with premium services.

Application

Our casting solutions are widely used in municipal infrastructure, automotive systems, machinery manufacturing, power equipment, chemical industries, and construction projects.

Manhole Covers and Drainage Solutions for Municipal Engineering

Drainage Grates and Manhole Covers for Drainage Systems

Manhole Covers for Residential & Commercial Areas

Industrial Manhole Covers & Drainage Grates for Factory Facilities

Manhole Covers & Drainage Grates for Construction & Building Projects

Cast Iron Manhole Covers for Roads and Infrastructure

News

Stay updated with the latest company developments, industry insights, production innovations, and precision casting technology trends from Hengyi Metal.

Aug 21, 2026

The Differences Between Round and Square Manhole Covers

Manhole covers are essential components in municipal infrastructure, drainage systems, utility networks, industrial facilities, and construction projects.

Aug 21, 2026

Professional Casting Manufacturer for Reliable Metal Casting Solutions

With the continuous development of municipal infrastructure, automotive manufacturing, machinery, construction, power, and chemical industries, the demand for reliable metal casting products continues to grow

Aug 21, 2026

Round Manhole Covers for Durable and Reliable Infrastructure Access

Round Manhole Covers are essential components in drainage, sewage, utility, and municipal infrastructure systems. They are designed to protect underground access openings while allowing maintenance personnel to reach pipelines, inspection chambers, and other concealed facilities when necessary.

Aug 21, 2026

Drainage Grates for Efficient Water Management

Drainage Grates are essential components in modern drainage systems, providing an effective way to collect surface water while helping prevent larger debris from entering underground drainage channels.