CUSTOM TRENCH GRATE CASTING SERVICES (OEM/ODM)

1. Service Introduction

Trench grates (gully grates/drainage grates) are indispensable items in rainwater drainage and wastewater treatment systems in urban areas, industrial zones (IZs), factories, and technical infrastructure projects.

With over 11 years of experience, Thai Nguyen Iron and Steel provides custom trench grate casting services based on technical drawings, fully meeting the most stringent load-bearing standards and quality management requirements from FDI partners as well as domestic and foreign contractors.

2. Why Choose Custom Casting Over Pre-cast Grates?

• Exact Dimensions & Perfect Fit: Completely eliminates frame misalignment, wobbling, noise, or traffic safety hazards when installed in existing manholes.

• Optimized Drainage Design: Freedom to customize the drainage slot area, surface slope, and overall design to suit the actual water discharge flow of the project.

• Guaranteed Design Load Class: Accurate ion of cast iron grades and product thickness depending on the installation area (sidewalks, truck roads, seaports, etc.).

• Integrated Safety Features: Custom design options include anti-theft locks, concealed hinges, anti-slip patterns, or embossed brand/project logos on the product surface.

3. Production Materials & Technical Specifications

4. Applied Quality Standards

• BS EN 124:1994: European standard for design and testing loads for manhole covers and gully grates.

  • A15 (1.5 tons): Areas designed for pedestrians and cyclists.

  • B125 (12.5 tons): Sidewalks and car parking lots.

  • C250 (25 tons): Curbsides and drainage trenches along roads.

  • D400 (40 tons): Roads, industrial zones, and heavy truck areas.

• ISO 9001:2015: Synchronized quality management system from ing input materials, smelting, and casting to product finishing.

5. OEM/ODM Casting Processing at Thai Nguyen Iron and Steel

Directly casting ductile and grey iron according to technical drawings and specific customer requirements.

• ✓ OEM/ODM processing - flexible in materials, dimensions, and specifications

• ✓ Modern production lines - strict quality control

• ✓ Accepting large-quantity orders, meeting project requirements

• ✓ ISO 9001:2015 & BS EN 124:1994 compliance

• ✓ Manufacturing experience for both domestic and international clients

RECEIVE DRAWINGS - CONSULTATION & QUOTATION

CUSTOM CASTING - STANDARD COMPLIANT - EXPORT READY

6. WHY CHOOSE THAI NGUYEN IRON AND STEEL?

• DIRECT MANUFACTURING: No middlemen direct production at the Thai Nguyen factory ensures proactive control over quality, specifications, and order schedules.

• CUSTOM PROCESSING: Accepting processing based on drawings, technical specifications, and order quantities, flexibly meeting the needs of contractors, dealers, and OEM customers.

• STANDARDS & QUALITY: Ductile and grey iron products are strictly controlled, complying with ISO 9001:2015 and BS EN 124:1994, making them suitable for large-scale construction works and projects.

• LARGE ORDER CAPACITY: 11+ years of experience &bull 500+ projects &bull 50+ major partners serving nationwide and accepting OEM export orders to Asia and Europe.

It is our great honor to serve you!