Manufacturing Excellence Through Quality Control

Our ISO 9001:2015 certified quality management system ensures every drill bit and chisel meets the highest standards of performance, durability, and safety.

Zhonghuan Tools Quality Control Laboratory

ISO 9001:2015 Certified

Comprehensive Quality Management System

Our quality management system covers every aspect of production from raw material inspection to final product testing, ensuring consistent quality and continuous improvement.

Document Control

Systematic control of all quality documents, procedures, and work instructions.

Process Management

Standardized processes with clear quality checkpoints and control measures.

Continuous Improvement

Regular audits, customer feedback analysis, and process optimization.

Quality Control

Multi-Stage Quality Control Process

Every product undergoes rigorous testing at multiple stages to ensure optimal performance and reliability.

Raw Material Inspection

Chemical composition analysis, hardness testing, and dimensional verification of all incoming materials including carbide tips and steel bodies.

Production Monitoring

Real-time monitoring of critical parameters during manufacturing including temperature control, pressure settings, and dimensional accuracy.

Heat Treatment Validation

Precise control and verification of heat treatment processes to ensure optimal hardness and durability characteristics.

Dimensional Inspection

Comprehensive dimensional checking using precision measuring equipment to ensure compliance with specifications.

Performance Testing

Real-world performance testing including drilling speed, wear resistance, and impact durability validation.

Final Inspection

Complete visual and functional inspection before packaging, including surface finish and assembly verification.

Advanced Testing Equipment

State-of-the-art testing facilities ensure accurate and reliable quality verification

Hardness Testing

Rockwell and Vickers hardness testers for carbide tip and steel body verification.

Dimensional Measurement

Coordinate measuring machines (CMM) and precision gauges for accurate dimensional control.

Material Analysis

Spectrometers and metallographic equipment for chemical composition and microstructure analysis.

Torque Testing

Specialized equipment for testing shank strength and torque resistance under load conditions.

Impact Testing

Pneumatic impact testing machines simulating real-world hammer drilling conditions.

Wear Testing

Accelerated wear testing equipment to validate long-term durability and performance.

Certifications

International Quality Recognition

Our quality management system is recognized by leading international certification bodies, ensuring global acceptance of our products.

ISO 9001:2015

Quality Management System certification ensuring consistent product quality and customer satisfaction.

CE Marking

European Conformity marking indicating compliance with EU safety and environmental standards.

ISO 14001:2015

Environmental Management System certification demonstrating environmental responsibility.

Quality Assurance Team

Experienced professionals dedicated to maintaining the highest quality standards

Quality Engineers

Certified quality engineers with extensive experience in manufacturing and testing protocols.

Laboratory Technicians

Skilled technicians operating advanced testing equipment and performing quality analyses.

Process Auditors

Internal auditors ensuring continuous compliance with quality management system requirements.

Customer Support

Quality Support for Our Customers

We provide comprehensive quality documentation and support to help our customers meet their own quality requirements.

Quality Documentation

Complete quality certificates, test reports, and compliance documentation for every shipment.

Technical Support

Expert technical support for application-specific quality requirements and specifications.

Custom Testing

Additional testing services for specific customer requirements or industry standards.