Our Service Model

We manage the complete manufacturing process so you can focus on your core business

1. Design Support

DFM analysis, material selection

2. Manufacturing

Casting, forging, machining

3. Heat Treatment

14 processes available

4. Surface Treatment

16 coating options

5. Testing & QC

16 NDT methods

6. Global Delivery

Export documentation

Service Categories

8 comprehensive service categories covering your complete manufacturing needs

Manufacturing Services

Complete casting and forging production capabilities

  • Pattern, tooling, and die development
  • Prototype and rapid development
  • 15 casting processes (sand, investment, die, centrifugal)
  • 15 forging processes (open-die, closed-die, ring rolling)
  • Small batch to high volume production

Engineering Services

Technical expertise from concept to production

  • Design for Manufacturing (DFM) analysis
  • Material selection assistance (13 categories)
  • Process optimization and cost reduction
  • Reverse engineering and 3D scanning
  • Solidification simulation and flow analysis

Machining Services

Precision finishing to exact specifications

  • CNC turning (up to 2m diameter)
  • CNC milling (3, 4, 5-axis)
  • Drilling, boring, tapping, threading
  • Grinding (surface, cylindrical, centerless)
  • EDM wire and sinker (±0.005mm)

Supply Chain Services

Global logistics and inventory management

  • Vendor Managed Inventory (VMI)
  • Just-in-Time (JIT) delivery programs
  • Global logistics coordination (FOB, CIF, DDP)
  • Export documentation and compliance
  • Customs clearance support

Heat Treatment Services

14 heat treatment processes to optimize mechanical properties, hardness, and wear resistance

Conventional Heat Treatment

Annealing
750-900°C, furnace cool. Softens material, relieves stresses, improves machinability.
Normalizing
850-950°C, air cool. Refines grain structure, improves uniformity.
Quenching & Tempering (Q&T)
Quench 800-900°C, temper 150-650°C. Achieves optimal hardness + toughness balance.
Stress Relieving
550-650°C. Removes residual stresses from welding, machining, or cold working.
Solution Annealing
1010-1120°C for stainless. Dissolves precipitates, restores corrosion resistance.

Case Hardening Processes

Carburizing
850-950°C. Diffuses carbon into surface. Case depth: 0.5-3.0mm, hardness: 58-63 HRC.
Carbonitriding
760-870°C. Carbon + nitrogen diffusion. Faster than carburizing, case: 0.08-0.75mm.
Nitriding (Gas/Plasma/Ion)
500-575°C. No quench required. Up to 70 HRC, minimal distortion. Case: 0.1-0.5mm.
Ferritic Nitrocarburizing (FNC)
525-575°C. Anti-scuff, corrosion resistance, fatigue improvement. Minimal distortion.
Induction Hardening
Electromagnetic induction heating. Selective hardening, case depth: 1-10mm controllable.
Boriding (Boronizing)
Diffuses boron into surface. Extreme hardness: 1400-2000 HV.

Specialized Treatments

Austempering
Quench to 260-425°C, hold for bainite. RC 45-55. Superior toughness vs Q&T, reduced distortion.
Martempering (Marquenching)
Interrupted quench above Ms temp. Tempered martensite with minimal distortion and cracking.
Cryogenic Treatment
-80°C to -185°C. Converts retained austenite. Improved wear resistance, dimensional stability.
Selection Guide:
Maximum hardness → Q&T or Carburizing
Minimal distortion → Nitriding or Martempering
Wear surface + tough core → Carburizing or Induction

Surface Treatment & Coatings

16 surface treatment options for corrosion protection, wear resistance, and appearance

Metallic Coatings

Hot-Dip Galvanizing
50-150µm zinc, 50+ year life
Electroless Nickel (EN)
0.013-0.25mm, 48-64 HRC, uniform
Hard Chrome Plating
0.025-0.5mm, up to 70 HRC
Zinc Plating
5-25µm, clear/yellow/black
Cadmium Plating
Aerospace, corrosion + lubricity

Thermal Spray

HVOF Coating
WC-Co, Cr3C2. >98% density, 0.08-0.5mm
Plasma Spray
Ceramics, metals. Thermal barriers
Arc Wire Spray
Fast, economical for large areas
Flame Spray
General purpose restoration
Cold Spray
No oxidation, compressive stress

Chemical Treatments

Passivation
Stainless steel corrosion protection
Phosphating
Zinc/Mn/Fe phosphate. Paint prep
Black Oxide
Decorative, mild corrosion resist
Anodizing (Aluminum)
Type I/II/III, 5-150µm
Electropolishing
Mirror finish for stainless

Organic & Others

Powder Coating
50-150µm, durable, eco-friendly
E-Coating
Electrocoat, uniform coverage
PTFE/Teflon Coating
Low friction, non-stick
Shot Blasting
Surface prep, scale removal
Shot Peening
Compressive stress, fatigue life

Surface Treatment Selection Guide

Requirement Recommended Treatment
Outdoor/marine corrosionHot-dip galvanizing, Electroless nickel
Heavy wear resistanceHard chrome, HVOF, PVD coatings
High-temperature protectionThermal spray ceramics, Aluminizing
Decorative + protectionPowder coating, Anodizing, Plating
Food/pharma contactElectropolishing, Passivation
Dimensional restorationThermal spray, Hard chrome

Testing & Inspection Services

16 NDT methods and comprehensive destructive testing for complete quality verification

Non-Destructive Testing (NDT)

Conventional NDT

  • VT - Visual Testing
  • PT/DPT - Liquid Penetrant
  • MT/MPI - Magnetic Particle
  • UT - Ultrasonic Testing
  • RT - Radiographic (X-ray/Gamma)
  • ET - Eddy Current Testing

Advanced NDT

  • PAUT - Phased Array UT
  • TOFD - Time of Flight Diffraction
  • DR - Digital Radiography
  • CT - Computed Tomography
  • PMI - Positive Material ID
  • AE - Acoustic Emission

Additional Tests

  • Hardness Testing
  • Leak Testing
  • Pressure Testing
  • Dimensional Inspection (CMM)

Destructive Testing & Analysis

Mechanical Testing
Tensile (ASTM E8), impact Charpy/Izod (ASTM E23), bend, compression, fatigue testing
Hardness Testing
Rockwell (HRA, HRB, HRC), Brinell (HB), Vickers (HV), micro-hardness
Metallography
Microstructure analysis, grain size (ASTM E112), inclusion rating (ASTM E45), phase identification
Chemical Analysis
Optical Emission Spectrometry (OES), XRF, wet chemistry, carbon/sulfur analysis
Corrosion Testing
Salt spray (ASTM B117), immersion testing, electrochemical analysis, intergranular corrosion

Frequently Asked Questions - Manufacturing Services

Expert answers to common questions about heat treatment, surface treatment, and testing

Quenching is rapid cooling (in oil, water, or air) from austenitizing temperature (800-900°C) to create hard martensitic structure. Tempering follows quenching, reheating to 150-650°C to reduce brittleness and achieve the desired balance of hardness and toughness.

Higher tempering temperatures result in lower hardness but greater toughness. Together, Q&T produces components with optimal mechanical properties for demanding applications like gears, shafts, and tools.

Carburizing (850-950°C) produces deeper cases (0.5-3.0mm) with 58-63 HRC hardness, ideal for heavy-load applications like gears and shafts. It requires subsequent quenching.

Nitriding (500-575°C) creates shallower cases (0.1-0.5mm) with up to 70 HRC equivalent hardness but requires no quenching, resulting in minimal distortion.

Choose nitriding for precision parts, corrosion resistance, and fatigue improvement. Choose carburizing when deeper case depths and maximum surface hardness are required.

Induction hardening uses electromagnetic induction to rapidly heat specific surface areas, followed by quenching. It produces controllable case depths of 1-10mm with minimal distortion to untreated areas.

Key advantages: Selective hardening (only specific zones), fast processing, excellent repeatability, and no atmosphere required.

It's commonly used for shafts, gears, bearing surfaces, pins, and any component requiring a hard wear surface with a tough core. Suitable for medium to high carbon steels (0.3%+ carbon).

Hot-dip galvanizing immerses parts in molten zinc (450°C), creating 50-150µm thick coating with metallurgical bond and 50+ year service life. It's ideal for structural steel and outdoor applications.

Zinc plating (electroplating) deposits 5-25µm thin zinc layer suitable for fasteners and small parts. Available in clear, yellow, and black finishes.

Galvanizing provides superior corrosion protection and self-healing properties but is more expensive and adds more thickness. Zinc plating is cost-effective for indoor applications and decorative finishes.

Electroless nickel plating (EN) is an auto-catalytic process depositing nickel-phosphorus alloy without electric current.

Key advantages:

  • Uniform thickness even in recesses and holes (unlike electroplating)
  • Excellent corrosion resistance
  • Hardness of 48-52 HRC (up to 64 HRC after heat treatment)
  • Good lubricity
  • Typical thickness: 0.013-0.25mm

Widely used for valves, pumps, oil & gas equipment, hydraulic components, and electronic connectors where consistent coating thickness is critical.

HVOF (High Velocity Oxy-Fuel) is a thermal spray process using supersonic combustion to deposit extremely dense coatings (>98% density).

Common materials: Tungsten carbide (WC-Co) and chromium carbide (Cr3C2).

Specifications: Coating thickness 0.08-0.5mm, bond strength >70 MPa.

HVOF is recommended for severe wear applications, hydraulic cylinder rods, landing gear components, pump shafts, and aerospace parts. It provides superior wear resistance compared to chrome plating and is environmentally preferable to hard chrome.

For castings, key NDT methods include:

  • Radiographic Testing (RT): Detects internal porosity, shrinkage, and inclusions using X-rays or gamma rays
  • Ultrasonic Testing (UT): Finds internal voids, inclusions, and measures wall thickness
  • Liquid Penetrant Testing (PT/DPT): Reveals surface cracks on non-porous surfaces
  • Magnetic Particle Testing (MT): Detects surface/near-surface cracks in ferrous metals
  • Visual Testing (VT): Basic surface inspection per ASME/AWS standards

Advanced methods include Digital Radiography, Computed Tomography (CT) for 3D volumetric analysis, and Phased Array UT for complex geometries.

Our end-to-end manufacturing solution includes:

  1. Design Support: DFM analysis, material selection, 3D modeling, simulation
  2. Manufacturing: 15 casting and 15 forging processes, pattern/tooling development
  3. Heat Treatment: 14 processes (annealing, Q&T, carburizing, nitriding, etc.)
  4. Machining: CNC turning, milling, grinding, EDM
  5. Surface Treatment: 16 options (galvanizing, EN, HVOF, anodizing, etc.)
  6. Testing: 16 NDT methods plus destructive testing
  7. Assembly: Sub-assembly, kitting, custom packaging
  8. Supply Chain: VMI, JIT delivery, global logistics, export documentation

We manage the complete process from prototype to production, allowing you to focus on your core business.

Need a Complete Manufacturing Solution?

We handle everything from design to delivery - 14 heat treatments, 16 surface treatments, precision machining, comprehensive testing, and global logistics.