Heat Treatment Services
Specializing exclusively in advanced induction hardening, we deliver precise, localized wear resistance for high-volume OEM/ODM metal components. Engineered for procurement leaders who demand uncompromising quality and scale.

Induction Hardening Protocol
Our facility focuses 100% of our heat treatment capabilities on induction hardening. By utilizing high-frequency electromagnetic induction, we rapidly heat specific areas of carbon steel and alloy components before precisely quenching them.
Targeted Wear Resistance
Hardens only the necessary contact surfaces (such as gear teeth, splines, or bearing journals) while keeping the core ductile to absorb impact and prevent brittle failure.

Dimensional Stability
Because only a localized area is heated rapidly, overall thermal distortion is minimized compared to through-hardening. This reduces the need for expensive post-heat-treatment machining.
- ▹ Controlled case depth
- ▹ Rapid heating & quenching
- ▹ High repeatability
Compatible Alloys
Optimized for medium to high carbon steels and cast irons. Our engineering team customizes the induction coil design and frequency to match your specific material and geometry requirements.
Engineered for
High-Volume Reliability
With 20 active production lines and over 23 years of OEM/ODM experience, our induction hardening process is deeply integrated into a seamless, end-to-end manufacturing workflow.
Final Inspection Rate
Rigorous APPA sample verification and metallurgical testing ensure precise surface hardness and case depth before mass production.
Certified Compliance
Operations strictly adhere to ISO 9001 & IATF 16949 standards, guaranteeing international regulatory compliance for global brands.
Process Validation
Induction coil design and heat patterns are engineered using advanced CAD/CAM systems to ensure absolute accuracy for complex geometries.
De-risking Your Supply Chain
Tailored for procurement leaders managing >$5M annual volumes.
-
Cost Control & Efficiency By focusing solely on induction hardening, we eliminate process bottlenecks, reducing per-unit costs for large-scale OEM orders.
-
Lower Warranty Costs Superior localized wear resistance ensures stable product performance in the market, drastically reducing after-sales failures.
Heat Treatment Capability & Quality Control
Induction heat treatment improves local hardness, wear resistance and service life for shafts, gears, pins and other functional metal components.
Upload Drawings for Quote| Processes | Induction hardening and localized heat treatment support |
|---|---|
| Best For | Shafts, pins, gears, sleeves and wear-critical metal components |
| Quality Focus | Hardness target, hardened depth, distortion control and post-process inspection |
| Quality Output | Hardness checks, dimensional review and inspection documentation |
Heat Treatment FAQ
What information do you need for Heat Treatment? +
Please send 2D drawings, 3D files, material requirements, surface finish, quantity, tolerance notes and any inspection or packaging standards.
Can you support both samples and batch production? +
Yes. Ningbo Feiyu supports prototype validation, small batches and repeat OEM/ODM production with process planning for stable quality.
Can you provide inspection reports? +
Yes. We can provide dimensional inspection records and process-specific quality checks for heat treatment projects when required by the drawing or purchase order.
Which file formats can you review? +
Common formats include PDF, DWG, DXF, STEP, STP, IGES and customer-specific drawing packages.
Can you combine this service with other processes? +
Yes. We can coordinate machining, stamping, welding, forming, surface treatment, assembly and final inspection as one manufacturing workflow.
Related Manufacturing Services
Connect this process with upstream production, downstream finishing and inspection-controlled delivery.