Quality Certifications
🏆 Quality Certifications & Standards
At ZhuanCheng Stud Welding Company, quality is not just a commitment—it's our foundation. With 23 years of experience, we have established comprehensive quality management systems that ensure every product meets the highest international standards.
🎖️ International Certifications
🌟 ISO 9001:2015
Quality Management System
Certified since 2008, renewed 2023
- Systematic quality control processes
- Continuous improvement methodology
- Customer satisfaction focus
- Regular third-party audits
Certificate No: QMS-2023-CN-8801
🔧 ISO 14555:2017
Arc Stud Welding Standard
Compliance verified 2023
- Welding procedure specifications
- Quality requirements for studs
- Testing and inspection methods
- Personnel qualification standards
Verification No: AWS-2023-CN-1205
⚡ AWS D1.1
Structural Welding Code
Certified welding procedures
- Prequalified welding procedures
- Quality control requirements
- Inspector qualification
- Testing and inspection protocols
Procedure No: WPS-ZC-2023-001
🌍 CE Marking
European Conformity
Valid for EU market access
- Safety requirements compliance
- EMC directive conformity
- Low voltage directive
- Machinery directive compliance
Declaration No: CE-2023-ZC-SW
🔬 Quality Control Process
Our 6-Stage Quality Assurance Process
1️⃣ Raw Material Inspection
Chemical composition analysis, mechanical property testing, dimensional verification
2️⃣ Production Monitoring
Real-time process control, temperature monitoring, automated quality checks
3️⃣ In-Process Testing
Dimensional inspection, surface quality check, thread verification
4️⃣ Final Inspection
100% visual inspection, random sampling tests, packaging verification
5️⃣ Performance Testing
Tensile strength testing, weld quality assessment, durability testing
6️⃣ Documentation
Complete traceability records, test certificates, quality reports
🧪 Testing Capabilities
In-House Testing Laboratory
🔬 Chemical Analysis
- Spectrometer analysis
- Carbon content testing
- Alloy composition verification
💪 Mechanical Testing
- Tensile strength testing
- Hardness measurement
- Impact resistance testing
📏 Dimensional Testing
- CMM measurement
- Thread gauge verification
- Surface roughness testing
🔥 Weld Testing
- Bend testing
- Macro examination
- Penetration testing
👨🔬 Qualified Personnel
| Position | Certification | Experience | Responsibility |
|---|---|---|---|
| Quality Manager | ASQ CQE, ISO Lead Auditor | 15+ years | Quality system oversight |
| Welding Inspector | AWS CWI, Level II NDT | 12+ years | Weld quality inspection |
| Test Technician | Materials Testing Certified | 8+ years | Laboratory testing |
📊 Quality Metrics
99.8%
First Pass Quality Rate
0.02%
Defect Rate
100%
Traceability Coverage
24h
Test Report Delivery
📋 Quality Documentation
Every shipment includes comprehensive quality documentation:
- 📄 Material Test Certificates (MTC) - Chemical and mechanical properties
- 📊 Dimensional Inspection Reports - Complete dimensional verification
- 🔬 Weld Test Results - Strength and quality verification
- 📸 Visual Inspection Records - Photo documentation of quality checks
- 🏷️ Traceability Records - Complete production history
🎯 Our Quality Commitment
"We guarantee that every product leaving our facility meets or exceeds the specified quality standards. Our commitment to quality is backed by comprehensive testing, certified processes, and continuous improvement initiatives."
- Quality Assurance Team, ZhuanCheng