Automotive

Driving Precision for High-Volume, High-Performance Manufacturing
The automotive industry demands precision, repeatability, and robust processes to meet the demands of mass production. At Suntech, we deliver automated surface treatment solutions that support high throughput, corrosion resistance, and advanced material compatibility. Our systems are engineered for modern electric vehicles (EVs), luxury vehicles, and OEM Tier 1 suppliers.
Our Solution for Automotive industry
Chemical Surface Treatment Lines
Main Automotive Use Areas:
- Body-in-White (BIW) panels – Pre-treatment before painting
- Chassis components – Corrosion resistance before coating
- Fuel tanks – Phosphating for paint adhesion and rust prevention

Electroplating / Anodizing / Electropolishing Lines

1. Electroplating
Key Automotive Components:
➤ Interior trims (chrome-plated) – AC vents, gear knobs, decorative trims
➤ Exterior accents – Grilles, logos, door
handles
➤ Interior trims (chrome-plated) – AC vents, gear knobs, decorative trims
➤ Exterior accents – Grilles, logos, door
handles

2. Anodizing
Used mainly for aluminum parts:
➤ Wheels (alloy wheels) – Aesthetic and corrosion protection
➤ Heat sinks and engine parts – Thermal resistance and insulation
➤ Wheels (alloy wheels) – Aesthetic and corrosion protection
➤ Heat sinks and engine parts – Thermal resistance and insulation

3. Electropolishing
Stainless steel components:
➤ Fuel system parts – Rust-free, cleanable surfaces
➤ Exhaust parts (selected stainless
areas)
➤ Fuel system parts – Rust-free, cleanable surfaces
➤ Exhaust parts (selected stainless
areas)

ABS Plating Lines
Key Automotive Use Areas:
- Front grille
- Interior dashboard trims
- Mirror housings
- Door handles (plastic-based)
Zinc Flake Coating & Galvanizing Systems

1. Zinc Flake Coating
Critical Automotive Parts:
➤ Bolts, screws, and fasteners – Especially wheel bolts, brake disc bolts
➤ Brake components – Anti-corrosion for caliper brackets, back plates
➤ Chassis and suspension parts – High corrosion environments
➤ Bolts, screws, and fasteners – Especially wheel bolts, brake disc bolts
➤ Brake components – Anti-corrosion for caliper brackets, back plates
➤ Chassis and suspension parts – High corrosion environments

2. Hot-Dip Galvanizing
Important Structural Areas:
➤ Underbody structural members – Cross members, torsion beams
➤ Crash structures – High durability zones
➤ Battery trays – EV and hybrid vehicles
➤ Underbody structural members – Cross members, torsion beams
➤ Crash structures – High durability zones
➤ Battery trays – EV and hybrid vehicles
Explore Our Proven Track Record
From decorative trims to functional engine components, our surface finishing solutions have powered performance and elevated design.