Value-added Services
Value-Added Services Enhancing Quality and Performance – Huang Liang Precision
Combining precision machining with expert finishing to elevate overall product quality and functionality
We provide not only high-precision CNC machining but also a comprehensive range of value-added services to enhance product quality and performance.
These services focus on three key technical areas:
These services focus on three key technical areas:
Secondary Processing Services – Enhancing Detail Accuracy and Product Aesthetics
We offer a variety of value-added finishing services, including professional laser engraving, to precisely and flawlessly meet the requirements of each component.
Our diverse finishing options provide tailored solutions for precision parts.
Designed to optimize both functionality and appearance, Huang Liang Precision’s finishing services elevate your product’s market competitiveness.
Our diverse finishing options provide tailored solutions for precision parts.
Designed to optimize both functionality and appearance, Huang Liang Precision’s finishing services elevate your product’s market competitiveness.
Grinding
Using abrasive particles and relative motion to refine surfaces, grinding effectively enhances smoothness and achieves high surface finish quality:
● Simple equipment setup, suitable for various applications.
● Achieves very high shape accuracy for precision parts.
● Significantly reduces surface roughness for smooth finishes.
● Ideal for processing harder materials, improving durability.
● Improves flatness, preventing uneven wear.
● Simple equipment setup, suitable for various applications.
● Achieves very high shape accuracy for precision parts.
● Significantly reduces surface roughness for smooth finishes.
● Ideal for processing harder materials, improving durability.
● Improves flatness, preventing uneven wear.
Polishing
Using physical or chemical techniques to reduce surface roughness, polishing smooths the workpiece and enhances reflectivity, widely applied in precision machinery and optics industries:
● Produces bright, smooth finishes, improving visual appeal.
● Enhances surface reflectivity, suitable for optical and decorative applications.
● Significantly lowers surface roughness, improving quality.
● Electrolytic polishing boosts corrosion resistance, extending lifespan.
● Improves oxidation resistance, ideal for parts in harsh environments.
● Produces bright, smooth finishes, improving visual appeal.
● Enhances surface reflectivity, suitable for optical and decorative applications.
● Significantly lowers surface roughness, improving quality.
● Electrolytic polishing boosts corrosion resistance, extending lifespan.
● Improves oxidation resistance, ideal for parts in harsh environments.
Laser Engraving
Laser engraving uses a focused laser beam to precisely etch text or patterns with high accuracy and durability, suitable for various materials:
● Applicable on metals, plastics, ceramics, wood, and more with high precision.
● No ink or drill bits required, minimizing waste.
● Etched designs are fade-resistant, ensuring long-lasting clarity.
● Highly customizable to meet specific client needs.
● Non-contact process prevents wear or deformation common in traditional engraving.
● Applicable on metals, plastics, ceramics, wood, and more with high precision.
● No ink or drill bits required, minimizing waste.
● Etched designs are fade-resistant, ensuring long-lasting clarity.
● Highly customizable to meet specific client needs.
● Non-contact process prevents wear or deformation common in traditional engraving.
Thread Locking Compounds
Primarily used to secure screws and nuts by bonding engineering plastics to threads, deforming to lock components in place:
● Effectively prevents loosening during operation, ensuring product stability.
● Withstands continuous vibration and heavy loads, ideal for power machinery.
● Reduces bolt loosening failures, providing long-lasting locking performance.
● Widely used in automotive, motorcycle, and bicycle industries for high-stress components.
● Enhances anti-loosening under extreme conditions such as high temperature and pressure.
● Effectively prevents loosening during operation, ensuring product stability.
● Withstands continuous vibration and heavy loads, ideal for power machinery.
● Reduces bolt loosening failures, providing long-lasting locking performance.
● Widely used in automotive, motorcycle, and bicycle industries for high-stress components.
● Enhances anti-loosening under extreme conditions such as high temperature and pressure.
Surface Finishing Technologies – Enhancing Durability and Performance
Surface fnishing involves modifying material surfaces or applying protective coatings to improve the substrate’s performance and longevity.
Since damage and failure often start at the surface, these treatments are widely used to enhance corrosion resistance, wear resistance, hardness, and other physical or chemical properties, helping to extend product life and improve operational efficiency.
Since damage and failure often start at the surface, these treatments are widely used to enhance corrosion resistance, wear resistance, hardness, and other physical or chemical properties, helping to extend product life and improve operational efficiency.
Gold Plating
Gold plating not only enhances appearance but also uses the metal’s stability to prevent oxidation, extending device lifespan:
● Excellent corrosion resistance protects metal surfaces from oxidation.
● Low electrical resistance and strong solderability, ideal for high-frequency electronic devices.
● Stable resistance values, suitable for long-term applications requiring high reliability.
● Excellent corrosion resistance protects metal surfaces from oxidation.
● Low electrical resistance and strong solderability, ideal for high-frequency electronic devices.
● Stable resistance values, suitable for long-term applications requiring high reliability.
Nickel Plating
Forms a protective oxide layer on metal surfaces, enhancing corrosion resistance and hardness, ideal for various mechanical and electronic components:
● Superior corrosion resistance for long-term use in harsh environments.
● Increased surface hardness and wear resistance, extending part lifespan.
● Attractive bright finish, suitable for both decorative and functional applications.
● Superior corrosion resistance for long-term use in harsh environments.
● Increased surface hardness and wear resistance, extending part lifespan.
● Attractive bright finish, suitable for both decorative and functional applications.
Chrome Plating
Provides decorative metal surface finish while enhancing durability and corrosion resistance, widely used in automotive and home appliance industries:
● Excellent corrosion and wear resistance, ideal for exterior applications.
● Reduces friction, extending component lifespan.
● Improves appearance and surface hardness, boosting overall durability.
● Excellent corrosion and wear resistance, ideal for exterior applications.
● Reduces friction, extending component lifespan.
● Improves appearance and surface hardness, boosting overall durability.
Tin Plating
Primarily used to prevent metal oxidation, widely applied in electronic components, especially wiring and connectors, to ensure stability:
● Prevents oxidation, maintaining good conductivity and stable current flow.
● Enhances wear resistance, extending component lifespan.
● Improves solderability, ensuring reliability and stability of electronic devices.
● Prevents oxidation, maintaining good conductivity and stable current flow.
● Enhances wear resistance, extending component lifespan.
● Improves solderability, ensuring reliability and stability of electronic devices.
Anodizing
An effective metal surface treatment that significantly enhances corrosion resistance and hardness, while offering a variety of color finishes:
● Significantly improves corrosion resistance, extending the lifespan of metal parts.
● Enhances surface adhesion, improving subsequent coating performance.
● Environmentally friendly and non-toxic, with no harmful emissions during the process.
● Significantly improves corrosion resistance, extending the lifespan of metal parts.
● Enhances surface adhesion, improving subsequent coating performance.
● Environmentally friendly and non-toxic, with no harmful emissions during the process.
Passivation
Creates a protective oxide layer on stainless steel surfaces to effectively prevent corrosion and extend service life:
● Forms a rust-resistant layer, shielding the metal from environmental damage.
● Enhances corrosion resistance, reducing maintenance requirements.
● Increases surface hardness, improving durability and wear resistance.
● Forms a rust-resistant layer, shielding the metal from environmental damage.
● Enhances corrosion resistance, reducing maintenance requirements.
● Increases surface hardness, improving durability and wear resistance.
Teflon Coating
Utilizes the unique properties of polytetrafluoroethylene (PTFE) to enhance metal or substrate performance, widely applied in automotive, medical, and other industries:
● Low friction coefficient, effectively reducing wear.
● Excellent high-temperature resistance and strong stability.
● Widely used in medical and food sectors, ensuring health and safety.
● Low friction coefficient, effectively reducing wear.
● Excellent high-temperature resistance and strong stability.
● Widely used in medical and food sectors, ensuring health and safety.
Color Treatment
Chemically alters the metal’s appearance while enhancing corrosion resistance:
● Maintains dimensional accuracy with minimal size change.
● Improves corrosion resistance and product durability.
● Environmentally friendly with reduced chemical usage.
● Maintains dimensional accuracy with minimal size change.
● Improves corrosion resistance and product durability.
● Environmentally friendly with reduced chemical usage.
PVD
(Physical Vapor Deposition)
(Physical Vapor Deposition)
Deposits a thin film on metal surfaces to enhance hardness and wear resistance, widely used for tools and mechanical components:
● Increases surface hardness and wear resistance.
● Improves corrosion resistance, extending component lifespan.
● Enhances surface smoothness, boosting mechanical performance.
● Increases surface hardness and wear resistance.
● Improves corrosion resistance, extending component lifespan.
● Enhances surface smoothness, boosting mechanical performance.
Hot-Dip Galvanizing
Protects steel components by immersing them in molten zinc, suitable for various construction and engineering applications:
● Provides strong corrosion resistance for harsh environments.
● Cost-effective compared to other corrosion protection methods.
● Maintenance-free, requiring no additional upkeep over time.
● Provides strong corrosion resistance for harsh environments.
● Cost-effective compared to other corrosion protection methods.
● Maintenance-free, requiring no additional upkeep over time.
Coating
Enhances surface properties of metals and other materials to improve corrosion resistance, wear resistance, and appearance, widely used across industries:
● Improves corrosion and wear resistance of components.
● Allows precise control of coating thickness for uniform coverage.
● Enhances aesthetics while providing additional functional benefits.
● Improves corrosion and wear resistance of components.
● Allows precise control of coating thickness for uniform coverage.
● Enhances aesthetics while providing additional functional benefits.
TiN
(Titanium Nitride)
(Titanium Nitride)
Offers ultra-high hardness and wear resistance, commonly used as a protective coating on metal substrates, ideal for high-load environments:
● Exceptional hardness and wear resistance for heavy-duty applications.
● Excellent heat resistance, maintaining stability at high temperatures.
● Gold-colored finish providing both decorative appeal and functional benefits.
● Exceptional hardness and wear resistance for heavy-duty applications.
● Excellent heat resistance, maintaining stability at high temperatures.
● Gold-colored finish providing both decorative appeal and functional benefits.
Heat Treatment Technology – Enhancing Hardness and Toughness
Heat treatment involves controlled heating and cooling processes to alter the physical properties of materials. Precise regulation of temperature and duration significantly improves metal hardness, toughness, and wear resistance. This technology not only enhances material durability but also boosts stability under extreme operating conditions, making it an essential step in the manufacturing of critical industrial components.
Salt Bath Nitriding
(e.g., Tufftride®, Isonite®)
(e.g., Tufftride®, Isonite®)
Salt bath nitriding is a low-temperature salt bath nitrocarburizing process, including methods such as LCN, Tufftride, and Isonite.It forms a high-hardness, self-lubricating diffusion layer on steel surfaces, enhancing wear resistance and seizure prevention. Commonly applied to piston rods, gears, and valve components:
● Increases surface hardness and wear resistance, extending part lifespan.
● Improves fatigue strength and corrosion resistance for harsh environments.
● Minimal dimensional change after treatment, suitable for precision parts.
● Increases surface hardness and wear resistance, extending part lifespan.
● Improves fatigue strength and corrosion resistance for harsh environments.
● Minimal dimensional change after treatment, suitable for precision parts.
Soft Nitriding
A nitrogen-carbon diffusion process that forms a hard compound and diffusion layer on steel surfaces. Widely used in automotive, tooling, and high-load precision components:
● Enhances surface hardness and wear resistance for longer service life.
● Improves fatigue strength and corrosion resistance for demanding environments.
● Minimal dimensional change after treatment, ensuring precision is maintained.
● Enhances surface hardness and wear resistance for longer service life.
● Improves fatigue strength and corrosion resistance for demanding environments.
● Minimal dimensional change after treatment, ensuring precision is maintained.
Sintered Polishing Treatment
A surface hardening process combining nitriding, mechanical polishing, and oxidation to enhance steel’s corrosion resistance, wear resistance, and appearance:
● Increases surface hardness and wear resistance for improved durability.
● Enhances corrosion resistance for harsh environments.
● Produces a smooth, glossy surface that improves appearance and lubrication.
● Increases surface hardness and wear resistance for improved durability.
● Enhances corrosion resistance for harsh environments.
● Produces a smooth, glossy surface that improves appearance and lubrication.
Carburizing Treatment
Carburizing involves infusing carbon into the surface of steel at high temperatures to increase surface hardness and wear resistance of low-carbon steel while maintaining core toughness:
● Enhances surface hardness and wear resistance, extending service life.
● Improves fatigue resistance and tensile strength, suitable for high-load applications.
● Can be combined with quenching and tempering for further performance enhancement.
● Enhances surface hardness and wear resistance, extending service life.
● Improves fatigue resistance and tensile strength, suitable for high-load applications.
● Can be combined with quenching and tempering for further performance enhancement.
High-Frequency Quenching
High-frequency current rapidly heats the steel surface, ideal for parts requiring localized hardening, effectively enhancing surface hardness and wear resistance:
● Achieves localized surface hardening while maintaining core toughness.
● Improves surface hardness and wear resistance, extending part lifespan.
● Fast processing speed, suitable for mass production.
● Achieves localized surface hardening while maintaining core toughness.
● Improves surface hardness and wear resistance, extending part lifespan.
● Fast processing speed, suitable for mass production.
Annealing
Annealing involves heating and slow cooling of steel, suitable for various steel types, effectively improving machinability and relieving internal stresses:
● Enhances ductility and toughness, improving machining performance.
● Relieves internal stresses to prevent deformation.
● Develops specific microstructures to tailor material properties.
● Enhances ductility and toughness, improving machining performance.
● Relieves internal stresses to prevent deformation.
● Develops specific microstructures to tailor material properties.
Normalizing
Normalizing involves heating steel to a suitable temperature followed by air cooling, applicable to various steel types, effectively refining grain structure and relieving internal stresses:
● Improves ductility and softness of hardened steel.
● Provides a more uniform base for subsequent heat treatments, enhancing material consistency.
● Eliminates residual internal stresses, increasing material stability.
● Improves ductility and softness of hardened steel.
● Provides a more uniform base for subsequent heat treatments, enhancing material consistency.
● Eliminates residual internal stresses, increasing material stability.
Quenching and Tempering
Quenching and tempering involves heating and controlled cooling of medium carbon steel to improve mechanical properties and durability:
● Refines material microstructure for uniform and enhanced overall properties.
● Increases strength and toughness while maintaining good machinability.
● Enhances wear resistance, extending component lifespan.
● Refines material microstructure for uniform and enhanced overall properties.
● Increases strength and toughness while maintaining good machinability.
● Enhances wear resistance, extending component lifespan.
Gas Carburizing
This process heats steel in a carbon-rich gas environment, suitable for various steel types, to enhance surface hardness and wear resistance:
● Fast processing speeds reduce production time.
● Precise control of carburized layer thickness and uniformity to meet diverse requirements.
● Increases surface strength, extending component lifespan.
● Fast processing speeds reduce production time.
● Precise control of carburized layer thickness and uniformity to meet diverse requirements.
● Increases surface strength, extending component lifespan.
Carbonitriding Treatment
A heat treatment combining carbon and nitrogen to enhance surface hardness and improve fatigue and impact strength, ideal for parts requiring high surface performance:
● Significantly increases hardness and wear resistance, suitable for heavy-duty applications.
● Enhances fatigue and impact strength, improving resistance to high loads.
● Suitable for steels difficult to harden on the surface, such as valve seats and precision gears.
● Significantly increases hardness and wear resistance, suitable for heavy-duty applications.
● Enhances fatigue and impact strength, improving resistance to high loads.
● Suitable for steels difficult to harden on the surface, such as valve seats and precision gears.
Quenching Treatment
Rapid cooling process to enhance surface hardness and mechanical strength of steel parts, ideal for applications requiring high wear resistance and load capacity:
● Increases surface hardness and wear resistance, extending part lifespan.
● Suitable for high-strength applications such as gears and bearings.
● When combined with tempering, reduces brittleness and improves overall toughness and stability.
● Increases surface hardness and wear resistance, extending part lifespan.
● Suitable for high-strength applications such as gears and bearings.
● When combined with tempering, reduces brittleness and improves overall toughness and stability.
Tempering Treatment
A reheating process after quenching to reduce brittleness and enhance toughness and stability, crucial for improving mechanical performance and precision:
● Reduces brittleness, increasing ductility and impact resistance.
● Relieves quenching stresses, preventing deformation and cracking.
● Improves dimensional stability and machinability.
● Reduces brittleness, increasing ductility and impact resistance.
● Relieves quenching stresses, preventing deformation and cracking.
● Improves dimensional stability and machinability.
Metallographic Analysis
Using microscopy to examine the internal structure of metals and assess material properties and process quality, serving as an essential tool for material development and inspection:
● Analyzes grain structure and size to predict mechanical properties.
● Evaluates material defects and corrosion status to ensure safety.
● Provides scientific basis for process design and quality control.
● Analyzes grain structure and size to predict mechanical properties.
● Evaluates material defects and corrosion status to ensure safety.
● Provides scientific basis for process design and quality control.
Huang Liang Precision ensures consistent, reliable performance with advanced precision machining and finishing, delivering exceptional results in both standard and extreme conditions.
Value-Added Services & Commitment
We uphold the highest quality standards, rigorously inspecting and testing every product and service to ensure flawless details that fully meet customer requirements and expectations.
Huang Liang Precision is dedicated to delivering comprehensive solutions, guaranteeing maximum satisfaction, and fostering long-term, stable partnerships.
Huang Liang Precision is dedicated to delivering comprehensive solutions, guaranteeing maximum satisfaction, and fostering long-term, stable partnerships.