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Our Location
Room 501, Building 3, No.15, Pingxi 10th Road,Nan Ping Science and Technology Industry Park,Zhu Hai,Guang Dong Province,China
Quality
Precision Begins with Quality Control ISO 9001:2015 Certified Quality System Ensuring accuracy, traceability, and reliability in every component we deliver.
Quality
Quality Philosophy
At LH Precision & Automation, quality is not simply inspected at the end of production—it is engineered into every stage of the manufacturing process.
Our ISO 9001:2015 certified Quality Management System ensures structured process control, documented traceability, and continuous improvement. From design review to final inspection, every step is carefully monitored to ensure our customers receive components that meet exact specifications.
We believe that precision machining requires not only advanced equipment, but also disciplined quality systems and experienced engineering oversight.
ISO Certification
ISO 9001:2015 Certified Quality System
Our operations follow the internationally recognized ISO 9001:2015 standard, which focuses on process consistency, risk-based thinking, and continuous improvement.
This certification demonstrates our commitment to delivering reliable manufacturing solutions that meet customer expectations and industry standards.
Quality Control Workflow
Drawing & Specification Review
Engineering Process Planning
Material Verification
Controlled Production
In-Process Inspection
Final Dimensional Inspection
Quality Documentation & Traceability
Advanced Inspection Equipment
Our inspection capabilities include precision measurement tools and quality verification equipment to ensure dimensional accuracy and surface integrity.
Inspection tools may include:
Precision digital calipers
Micrometers
Height gauges
Surface roughness testers
Coordinate measurement systems
Optical inspection equipment
Dimensional Accuracy & Tolerances
Precision machining requires tight tolerance control.
Our CNC machining processes can maintain strict dimensional accuracy depending on material and geometry. In many applications, tolerances within ±0.01 mm can be achieved for critical dimensions.
Industry references show CNC machining can achieve tolerances down to microns when properly controlled.
Material Traceability
To ensure product reliability, we maintain full material traceability throughout the production process.
Material certificates and inspection records can be provided upon request to ensure compliance with customer specifications.
Quality Documentation
Quality documentation available upon request includes:
Inspection reports
Material test certificates
Certificate of Conformance (COC)
Dimensional measurement records
Such documentation ensures transparency and accountability throughout the manufacturing process.
Continuous Improvement
Quality management is an ongoing process.
We continuously review production performance, inspection data, and customer feedback to improve manufacturing processes and reduce variation.
This commitment to continuous improvement allows us to maintain stable quality and long-term customer partnerships.
Final Quality Commitment
Our commitment is simple:
Deliver precision components that meet your specifications — every time.
Through disciplined engineering review, controlled production processes, and ISO-certified quality management, LH Precision & Automation ensures reliability you can trust.
