Automotive Precision Parts

Automotive Precision Parts
Huang Liang Precision specializes in high-precision manufacturing and machining of critical automotive and motorcycle components, meeting the industry's stringent demands for quality and reliability.
Every component undergoes strict machining and quality inspection processes to ensure stability, durability, and reliable assembly precision under high-stress operating conditions.
Below are typical industrial parts we have manufactured, showcasing our diverse capabilities in precision manufacturing.
Alloy Drain Plate
Alloy Drain Plate
Designed for effective drainage and thermal dissipation with superior corrosion resistance.
Materials:
● Aluminum (A2011, A2021, A6061, A7075, A5056)
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.003mm
Value Added:Surface Finishing,Secondary Processing
Huang Liang Optimization:
Clean edges, precise mounting holes, and dimensional accuracy improve thermal and fluid management.
Starter Assembly Core
Starter Assembly Core
Essential in vehicle ignition systems for fast response and dimensional integrity.
Materials:
● Titanium(CP1~CP4, Ti-6AL-4V)
● Copper(C3602, C3604, C6802, C17700)
● Aluminum(A2011, A2021, A6061, A7075, A5056)
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.003mm
Value Added:Surface Finishing,Secondary Processing
Huang Liang Optimization:
Clean edges, precise mounting holes, and dimensional accuracy improve thermal and fluid management.
Lock Cylinder Core
Lock Cylinder Core
Precision components for automotive locking systems requiring smooth rotation and high security.
Materials:
● Copper(C3604)
● Aluminum(A6061)
● Free-Cutting Steel(SUM24L/12L14)
Size Range:Ø 3mm ~ 8mm
Tolerance: ±0.015mm
Huang Liang Optimization:
High conductivity and machining precision ensure reliable ignition and engine performance.
Throttle Shaft
Throttle Shaft
Critical rotating parts for throttle valve assemblies with strict roundness and surface finish requirements.
Materials:
● Free-Cutting Steel(SUM24L / 12L14)
● Copper(C3604)
Size Range:Ø 8mm ~ 12mm
Tolerance: ±0.015mm
Value Added:Surface Finishing,Secondary Processing
Huang Liang Optimization:
Precision machining enhances throttle responsiveness and fuel-air mixing efficiency.
Shock Absorber Components
Shock Absorber Components
Built for structural strength, durability, and wear resistance in high-load applications.
Materials:
● Aluminum(A2011, A2021, A6061, A7075, A5056)
Size Range:Ø 1mm ~ 50mm
Tolerance: ±0.003mm
Value Added:Surface Finishing,Secondary Processing
Huang Liang Optimization:
Strengthened by CNC machining and heat treatment for enhanced vibration resistance and extended service life.
If you would like to further discuss material selection, machining methods, or custom requirements for automotive and motorcycle components, our engineering team is here to assist.
We offer fully integrated services—from design and development to CNC precision machining, value-added processing, and quality inspection.
Partner with Us to Create High-Quality Manufacturing Value
Explore other categories to learn more about Huang Liang Precision’s advanced machining solutions across diverse industries.