SEAMLESS ROLLED RINGS
Extreme Scale. Uncompromising Integrity. Up to 16m OD.
Custom forged rings for wind energy, nuclear power, and heavy machinery. Delivered with zero-defect quality and fully integrated machining.
MAXIMUM CAPABILITIES
- Max Outside Diameter: 16,000 mm
- Max Height/Width: 3,000 mm
- Max Weight: 150 Tons
- Condition: As-forged to Machined
COMPREHENSIVE FORGING CAPABILITIES
Dimensional Capacity
Max OD: 16,000 mm Max ID: Custom to spec Max Face Height: 3,000 mm Max Weight: 150,000 kg
Engineered Materials
Carbon & Alloy Steels Stainless & Duplex Nickel-Based Superalloys Custom melting available
Forging Infrastructure
5,000-Ton Radial-Axial Mill Heavy Hydraulic Presses Automated Ring Manipulators Computerized Process Control
In-House Processing
Quenching & Tempering
Normalizing & Annealing
Rough Machining
Precision CNC Turning
THE MANOIR RING ADVANTAGE
Engineered for Extreme Fatigue Resistance & Cost Efficiency
Uninterrupted Grain Flow
Unlike conventional castings or welded assemblies, our radial-axial rolling process aligns the metal’s grain structure to exactly match the ring’s contour. This continuous flow delivers exceptional radial and tangential strength, maximizing fatigue life under extreme mechanical loads.
- Enhanced impact resistance
- Elimination of internal porosity
- Ideal for heavy-duty bearings & gears
Near-Net Shape Precision
By forging closer to your final dimensions, we drastically reduce raw material waste and cut down your subsequent CNC machining time. You pay for the metal you use, not the chips you machine away.
- Reduced material scrap costs
- Faster final machining cycles
- Optimized supply chain efficiency
ENGINEERED RING PROFILES
Optimized cross-sections to minimize your material input and machining time
Rectangular Rings
Flanged Rings
Conical Rings
Custom Contoured
FLEXIBLE SUPPLY CONDITIONS
From as-forged blanks to fully machined turnkey components

As-Forged Blanks→
Raw material optimization with minimum machining allowance.

Rough Machined →
Delivered ready for your final finish machining.

Fully Machined→
Turnkey solutions including high-precision CNC turning, milling, and drilling.

Heat Treatment
Normalizing, Quenching & Tempering (Q+T), Solution Annealing.
PROVEN ACROSS CRITICAL INDUSTRIES
Delivering uncompromising integrity where failure is not an option.
WIND ENERGY
HEAVY MACHINERY
NUCLEAR & POWER
Engineered Components:
OFFSHORE & MARINE
Why Global OEMs Choose Manoir
Nuclear-Grade Rigor
Backed by Rongfa Nuclear Equipment. We apply strict nuclear-level quality control and 100% NDT to ensure zero-defect integrity.
16-Meter Scale
Equipped with a 5,000T rolling mill. We deliver seamless rings up to 16,000mm OD and massive castings up to 60 Tons.
End-to-End Integration
No outsourcing risks. From in-house AOD melting and forging to heat treatment and precision CNC machining, we control it all.
Global Certifications
Fully compliant with demanding global standards. Audited and certified by ISO, ASME, DNV, ABS, and Lloyd's Register.
Quality & Testing Assurance
ZERO COMPROMISE: 100% TRACEABILITY & NDT
Inheriting the stringent quality control protocols of nuclear equipment manufacturing, every Manoir component undergoes rigorous validation before shipping. We don’t just promise quality; we document it.
- Non-Destructive Testing (NDT)
- Mechanical & Chemical Analysis
- Metallographic Examination
- Precision Dimensional Control
Independent Testing Center




SUBMIT YOUR DRAWINGS
Direct Engineering Review & Custom Quoting.
Upload your CAD files or PDF specifications. Our metallurgical and mechanical engineering team will conduct a comprehensive technical review and provide a turnkey solution.
- Strict Confidentiality (NDA): Your intellectual property is fully protected.
- Fast Turnaround: Technical review and preliminary quote within 24-48 hours.
- Direct Engineer-to-Engineer Communication: No middlemen.
