CONTROLLING THE DNA OF METAL.
ADVANCED METALLURGY & 100T+ ESR.
Mastering advanced special alloy metallurgy. Delivering stable production of massive 100T+ ESR ingots. Flawless execution across stainless steel, alloy steel, and critical superalloys.
THE SMELTING & ESR ARSENAL
150T PROTECTIVE ESR
The largest Gas Protective ESR furnace in China, actively forging massive, flawless ingots.
20,000 TONS / YEAR
Unrivaled capacity producing 20,000 tons of ultra-pure ESR ingots annually for critical applications.
ESR MATRIX (2T - 120T)
Conventional ESR (2T/80T/120T) and advanced Gas Protective ESR (5T/20T/40T) systems.
PRIMARY MELTING (EAF)
Complete array of 5T, 15T, and 50T Electric Arc Furnaces for robust base alloy creation.
ADVANCED REFINING
8T to 90T AOD (Argon Oxygen Decarburization) combined with 60T LF/VD/VOD comprehensive refining systems.
200T VACUUM CASTING
Three 100T VC units and one massive 200T Vacuum Casting system to completely eliminate hydrogen embrittlement.
ENGINEERED PROCESS ROUTES
Tailoring the precise melting sequence to achieve absolute control over non-metallic inclusions and gas content.
ROUTE D (Baline Alloy Refining):
EAF ➔ AOD
Baseline Stainless & Alloy Refining
ROUTE B (High-Quality Low Alloy Steel):
EAF ➔ LF
High-Quality Carbon & Low Alloy Steel
ROUTE C (High-Purity Degassing Control):
EAF ➔ LF ➔ VD ➔ VC
Strict Hydrogen Elimination for Heavy Forgings
ROUTE D (Extreme Specialty Purification):
EAF ➔ AOD ➔ LF ➔ VD ➔ VC
Extreme Purity & Degassing for Aerospace / Nuclear
100% TRACEABLE. 100% VERIFIED.
CNAS ISO/IEC 17025 ACCREDITED LABORATORY
CHEMICAL COMPOSITION CONTROL
- OES & XRF Spectrometers (Direct reading for multi-elements).
- ONH Analyzers (Precise Oxygen, Nitrogen, Hydrogen control).
- CS Analyzers (Ultra-low Carbon & Sulfur detection).
MECHANICAL & DESTRUCTIVE TESTING
- High-Temperature Tensile Testing up to 1000°C.
- Cryogenic Impact Testing down to -197°C (EN/GB/ASTM standards).
- Hardness Mapping (Brinell, Rockwell, Vickers).
METALLOGRAPHY & INTEGRITY
- Advanced Metallographic Microscopes (Grain size, inclusion rating)
- In-house Level III NDT (UT, MT, PT).
DEMANDING EXTREME PURITY?
Send us your material specifications and chemical requirements. Our metallurgists will define the optimal melting route and provide a quote within 48 hours.
🔒 Secure 256-bit Upload | NDA Available Upon Request.
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.
