Factory Capabilities
State-of-the-art manufacturing facility in Xi'an, China. 10,000+ tons annual capacity for ductile iron manhole covers and drainage products.
Manufacturing Overview
10,000+
Tons Annual Capacity
20+
Years Experience
200+
Skilled Workers
8,000m²
Factory Floor Area
Production Facilities
Melting & Treatment
- • 2-ton and 3-ton medium-frequency induction furnaces
- • Capacity: 20 tons per shift (8 hours)
- • Temperature control: ±10°C accuracy
- • Magnesium treatment station with fume extraction
- • Real-time spectrometer analysis at furnace side
Molding & Casting
- • Green sand molding lines (automatic and semi-automatic)
- • Resin sand process for high-precision castings
- • Pattern storage: 500+ active patterns in library
- • Mold size capacity: Up to 1,200mm × 1,200mm
- • Automated pouring system for consistency
Finishing & Machining
- • Shot blasting machines for surface cleaning
- • CNC machining centers for precision seating surfaces
- • Automatic coating line (spray and dip options)
- • Grinding and fettling stations
- • Assembly and fitting workstations
Testing & Quality
- • In-house chemical analysis laboratory (spectrometer)
- • Mechanical testing laboratory (tensile, hardness, impact)
- • Metallographic analysis laboratory (microscope + image analysis)
- • Dedicated EN124 load test frame (up to 900kN)
- • Dimensional inspection room (CMM, gauges, surface roughness)
Product Range
We manufacture a comprehensive range of ductile iron products:
Manhole Covers
- • Round covers: Ø500mm to Ø900mm
- • Square/rectangular: 300×300 to 1200×800mm
- • Load classes: A15 through F900
- • Options: Solid, ventilated, locking, smart/IoT
Drainage Grates & Gully Tops
- • Slot and grid drainage grates
- • Gully tops for road drainage
- • Channel drainage systems
- • Custom slot configurations
Special Products
- • Anti-theft locking covers
- • Watertight/gas-tight sealed covers
- • Smart covers with IoT sensors
- • Custom logos and branding
Accessories
- • Frames (standard, deep, riser)
- • Hinges, bolts, and locking mechanisms
- • Gaskets (neoprene, EPDM)
- • Lifting keys and tools
Custom Manufacturing
We specialize in custom solutions for specific project requirements:
- • Custom sizes and shapes: Non-standard dimensions to match existing frames or special requirements
- • Custom load ratings: Intermediate load classes beyond standard EN124 range
- • Custom logos and text: Your brand, project name, or municipal markings cast into the surface
- • Custom coatings: Specific colors, epoxy, anti-slip aggregates
- • Sensors and electronics: Integrated IoT monitoring solutions
- • Special locking systems: Proprietary key patterns, multi-point locks, magnetic locks
Minimum order quantities apply for custom tooling. Contact us with your specifications for a feasibility assessment and quotation.
Production Timeline
| Order Type | Production Time | Notes |
|---|---|---|
| Standard products (1 container) | 20-30 days | From existing patterns, no tooling required |
| Standard products (multi-container) | +5 days per additional container | Up to 100 days maximum |
| Custom products (new tooling) | 30-45 days | Includes pattern/mold making + sample approval |
| Sample orders (1-5 units) | 10-15 days | Express production for evaluation |
Logistics & Export
- • Export port: Tianjin (Xingang) — regular sailings to all major global ports
- • Annual export volume: 8,000+ tons to 30+ countries
- • Documentation: Full export documentation package included with every shipment
- • Customs: Experienced export department handles all China customs clearance
- • Incoterms: FOB Tianjin, CIF, CFR, EXW Xi'an available
Ready to Start Production?
Contact us with your specifications for a production timeline and quotation. We respond within 24 hours.
Request a Quote