Automotive

Custom Automotive Parts Manufacturing
BIE manufactures a wide range of custom automotive parts that meet the strict requirements of engine, drivetrain, and chassis systems. Common automotive applications including:

• Engine brackets
• Intake manifolds
• Drivetrain housings
• Suspension arms
• Brake caliper brackets
• Sensor housings
• Lightweight chassis parts
• Lighting components
• Plastic dashboard parts
• Mounting fixtures and enclosures

We also provide prototype and low-volume production for custom applications, including EV and hybrid vehicle components.

Precision Manufacturing Capabilities
Combining advanced equipment with engineering expertise, BIE offers comprehensive automotive CNC machining solutions:

• High Precision: Key components machined to tolerances up to ±0.005mm (±0.0002 in)
• Multi-Axis Machining: 3, 4, and 5-axis CNC capabilities for complex geometries
• Flexible Production: From rapid prototyping and low-volume runs to full-scale production

BIE ensures your automotive parts are produced with exceptional precision, strength, and reliability.

Materials and Surface Finishes
We work with a wide variety of materials and finishing options to meet the functional and aesthetic needs of automotive applications.

• Metals: Aluminum, brass, bronze, carbon steel, steel, stainless steel, titanium alloys
• Plastics: PA66, ABS, POM, PVC, PEEK, Acrylic
• Surface Finishes: Polishing, sandblasting, brushing, anodizing, electrophoresis, PVD coating, electroplating, etching, painting, laser engraving

Manufacturing Processes
BIE offers complete machining and fabrication solutions to meet diverse production requirements:

• Processes: CNC cutting, turning, milling, drilling, sheet metal fabrication, die casting,plastic  injection, Rapid prototyping
  This allows us to deliver both functional prototypes and production-grade parts for automotive applications.

Aluminum

• Material: 6061, 6063, 7075, 5052, 2024, 6082, etc.
• Tolerance: +/-0.01~0.005mm
• Surface treatment: Anodizing, Polishing, Brushing, Sandblasting, Painting / Powder Coating, Heat Treatment, Laser Engraving, etc.

Brass

• Material: C230, C360, H59, H62, H65, H90, HA177-2, etc.
• Tolerance: +/-0.01~0.005mm
• Surface treatment: Polishing, Brushing, Sandblasting, Painting, Nickel/Chrome plating, Heat Treatment, Laser Engraving, etc.

Stainless Steel/Steel

• Material: SUS303, SUS304, SUS316, SUS416, 17-4PH, 15-5, 4130, 4140, 4340, 1018, 1215, 4140PH, Q235, 40CrMo etc.
• Tolerance: +/-0.01~0.005mm
• Surface treatment: Polishing, Brushing, Sandblasting, Electropolishing, PVD, Painting, Etching, Galvanized/Nickel/Chrome plating, Heat Treatment, Laser Engraving, etc.

Plastic

• Material: ABS, POM, PEEK, Nylon, PMMA, PP, PE, PC, PVC, PTFE etc.
• Tolerance: +/-0.05~0.2mm
• Surface treatment: Polishing, Sandblasting, Painting, Heat transfer printing, Screen Printing, Laser Engraving, etc.

Automotive Quality Assurance
We adhere to strict industry standards to ensure the highest levels of quality, precision, and compliance.
Our automotive quality measures include:

• CMM inspection reports
• First Article Inspection (FAI)
• Dimensional Inspection Report (DIR)
• Production Part Approval Process(PPAP)
• Material certificates
• analysis certificates
• RoHS certificate
• Industry Certification: ISO9001, ISO14001, ISO45001

Are you looking for CNC machining services in China?
As a leading CNC machining supplier for the automotive industry in China, BIE specializes in high-precision, custom parts for a variety of materials and applications. Our experienced team and state-of-the-art equipment ensure every component meets the most stringent industry standards, providing reliable, long-term solutions for our clients.