Quality Control System

As a professional aluminum alloy manufacturer, we implement stringent end-to-end quality control to meet OEMs' core requirements, ensuring consistent product reliability from raw materials to finished goods.

Professional Quality Inspection Team

Our quality inspection team consists of certified engineers with ISO 9001 Internal Auditor credentials and specialized qualifications in aluminum alloy material testing. They conduct comprehensive, process-wide inspections to ensure closed-loop quality control.

  • Critical Processes (Extrusion / Surface Treatment): 100% piece-by-piece inspection with simultaneous documentation of process parameters, appearance, and dimensional data.

  • Supporting Processes (Raw Materials / Machining / Assembly): Hourly inspections (every 2 hours) with a 5% batch sampling rate for full performance testing.

  • Full-Process Monitoring: Engineers are assigned to key production nodes for real-time anomaly detection and immediate intervention.

Spectrometer: Accurately measures alloying elements such as Si and Mg, ensuring 100% compliance of aluminum alloy grades like 6061/6063 with required chemical composition.

Professional Testing Laboratory & Equipment

Our certified laboratory is outfitted with cutting-edge testing equipment, dedicated to accurately validating the core performance, reliability, and consistency of aluminum alloys.

Salt Spray Test Chamber: Simulates 5,000 hours of outdoor corrosive exposure to evaluate the weather resistance of surface-treated aluminum alloys.

Colorimeter: Precisely calibrates the surface color of aluminum alloys to meet custom appearance specifications.

Metallographic Analyzer: Examines the internal microstructure of aluminum alloys to identify defects such as porosity and inclusions.

Paint Adhesion Tester: Employs the cross-cut method to measure coating-to-substrate bond strength, preventing peeling or flaking issues.

Tensile Strength Tester: Measures the mechanical properties of profiles to ensure compliance with load-bearing and stress standards.

Multi-Dimensional Quality Inspection Standards

Our testing protocols satisfy both universal international standards and customer-specific requirements.

  • Core Standards: Compliant with ISO 9001:2015 Quality Management System, ASTM B221 (U.S. Standard for Aluminum Alloy Materials), and EN 755 (European Standard for Aluminum Alloy Profiles).

  • Customized Support: We align with OEMs' industry-specific standards , offering tailored inspection plans and corresponding reports.

End-to-End Traceability System — Quality Accountability & Transparency

Each batch of our aluminum alloy products is assigned a unique quality traceability code, ensuring full-process information transparency.

  • Responsive Anomaly Handling: In the event of a quality concern, we can locate the affected batch within 2 hours and provide a corrective action plan with a targeted recall strategy within 48 hours, ensuring the stability of your supply chain.

Quality Commitment & Continuous Improvement

– Evolving Quality with Your Needs

Quality Objectives


Final Product Pass Rate: ≥ 99.8%
Customer Quality Complaint Rate: < 0.1%

Continuous Improvement Mechanism

  • Monthly Quality Review: Analyze full-month inspection data to identify and address process weaknesses.

  • Quarterly Process Optimization Meeting: Collaborate across production, quality, and R&D teams to refine manufacturing workflows.

  • Dedicated Customer Feedback Channel: 24-hour response to quality inquiries, with solutions and implemented improvements communicated within 72 hours.