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Quality Assurance

ISO 9001 Certified Quality Management System

At TC Precision, quality is built into every stage of our manufacturing process.

 

As an ISO 9001 certified manufacturing company, we operate according to internationally recognized quality management principles, ensuring consistent processes, controlled production, traceable documentation, and continuous improvement.

Our quality management system follows the ISO 9001 framework to control every critical stage, from customer requirement review and engineering planning to production execution, inspection, delivery, and customer feedback.

Our Commitment

Delivering precision parts with consistent quality, reliable performance, and complete manufacturing confidence.

Quality System

ISO 9001-Based Quality Management Process

Our quality system is established around the core principles of ISO 9001:

 

· Customer-focused manufacturing

· Process-based quality control

· Risk prevention and continuous improvement

· Documented procedures and traceability

· Data-driven decision making

 

Through a systematic approach, we ensure every project follows controlled and repeatable manufacturing processes.

Quality System

Quality Control Process

From Engineering Review to Final Delivery

01

Customer Requirement Review & Contract Review

02

Engineering Quality Planning

03

Supplier & Material Control

04

Manufacturing Process Control

05

Final Inspection & Product Release

01 Customer Requirement Review & Contract Review

Before production begins, our engineering and quality teams review customer requirements, including:

Technical drawings

Dimensional tolerances

3D CAD models

Surface finishing requirements

Material specifications

Inspection standards

We ensure all requirements are clearly understood and converted into controlled manufacturing instructions.

02 Engineering Quality Planning

Based on ISO 9001 process management principles, our engineering team performs manufacturing evaluation before production. Key activities include:

DFM (Design for Manufacturing) analysis

Manufacturing process planning

Risk identification and prevention

Tooling and fixture evaluation

Inspection plan development

By identifying potential risks early, we improve manufacturing stability and prevent quality issues before they occur.

03 Supplier & Material Control

Raw materials and external processes are controlled through our supplier management system. Quality control includes:

Approved supplier evaluation

Material specification verification

Material certification review when required

Batch traceability management

Incoming material inspection

This ensures material reliability throughout the manufacturing process.

04 Manufacturing Process Control

During CNC machining, quality is monitored through standardized procedures. Our process control includes:

Work instruction management

First Article Inspection (FAI)

In-process inspection

Critical dimension monitoring

Operator self-inspection

Quality record documentation

Each production stage is controlled to maintain consistency and repeatability.

05 Final Inspection & Product Release

Before shipment, finished components undergo final quality verification. The final inspection process includes:

Dimensional inspection

Geometric tolerance verification

Surface quality inspection

Functional verification when required

Final quality record approval

Only products meeting all customer requirements are released for delivery.

Dimensional Inspection

Precision Verification for CNC Machined Components

Precision machining requires strict control of every critical feature. Our inspection process verifies:

 

· Dimensional accuracy

· Hole location and diameter

· Position tolerance

· Flatness and parallelism

· Perpendicularity

· Surface finish requirements

· Thread accuracy

 

Inspection results are recorded according to quality procedures to ensure traceability and consistency.

Dimensional Inspection

Performance & Functional Inspection

Ensuring Components Perform as Designed

Beyond dimensional accuracy, we verify functional requirements based on customer applications. Inspection may include:

 

· Assembly fit verification

· Mechanical function checks

· Thread and connection inspection

· Surface treatment verification

· Special customer testing requirements

 

This ensures parts are not only manufactured correctly but also perform reliably in real-world applications.

Performance & Functional Inspection

Engineering Quality

Precision Verification for CNC Machined Components

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At TC Precision, engineering quality is a key part of our ISO 9001 quality philosophy. Our engineering team combines manufacturing experience with product development knowledge to help customers optimize designs before production.

 

 

Through engineering support, we help improve:

 

· Manufacturability

· Tolerance optimization

· Material selection

· Production efficiency

· Cost control

· Product reliability

 

Our goal is to prevent problems before they enter production.

Inspection Equipment

Advanced Measurement Technology for Reliable Quality Control

To support our ISO 9001 quality system, TC Precision utilizes professional inspection equipment, including:

Coordinate Measuring Machines (CMM)

Coordinate Measuring Machines (CMM)

For high-accuracy dimensional measurement and geometric tolerance verification.

Optical Measurement Systems

Optical Measurement Systems

For complex features, small components, and non-contact measurement.

Precision Measurement Tools

Precision Measurement Tools

Including: Digital calipers, Micrometers, Height gauges, Pin gauges, Thread gauges, Surface roughness testers

Material Verification Equipment

Material Verification Equipment

For material identification and production consistency verification.

Traceability & Continuous Improvement

Building Long-Term Manufacturing Reliability

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Following ISO 9001 principles, TC Precision maintains documented quality records throughout the manufacturing process.

Our continuous improvement system focuses on:

 

· Non-conformance analysis

· Corrective and preventive actions (CAPA)

· Process optimization

· Customer feedback improvement

· Production efficiency enhancement

 

Through disciplined quality management and continuous improvement, we provide customers with reliable manufacturing solutions from prototype to production.

Traceability & Continuous Improvement

Our Quality Commitment

Precision Parts, Practical Solutions.

At TC Precision, ISO 9001 is not only a certificate — it represents our commitment to controlled processes, engineering excellence, and continuous improvement.

We combine advanced manufacturing capabilities with a systematic quality approach to deliver precision components trusted by customers worldwide.

QMS Certificate

QMS Certificate

Have an Engineering Challenge?

Let’s Solve It Together.

From engineering review and design optimization to prototyping, low-volume production, and scalable manufacturing, TC Precision provides the expertise and manufacturing support you need to move forward with confidence.