CCT TEST , a trusted and accredited independent testing laboratory and calibration company



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What do we offer
We provide fast and reliable metal testing, factory inspection, instrument calibration, capability verification, quality control samples and other quality services to meet your needs
Verification and Confidence
Verification and Confidence
Helping you verify the product meets your requirements, measuring the accuracy of instruments, and ensuring satisfaction with the testing capabilities
Provide Proof
Provide Proof
Provide third-party quality certificates for your products to help increase customer trust
Dispute Resolution
Dispute Resolution
From a third-party perspective, analyze the responsibility for quality issues.
Our Services
Let's take a look
Let's take a look
Why choose us as your lab?
Our engineers and other technical experts can help meet complex testing needs. We establish and operate a management system in accordance with ISO/IEC17025, and all services are carefully executed using validated procedures and methods. We have obtained CNAS and NADCAP recognition and have provided services to tens of thousands of customers, including major manufacturers
Over 20 years of testing service experience, publishing over 80000 testing reports annually
fast service
Testing is usually completed within 3-5 days and can be expedited
Obtaining certification
We have obtained CNAS recognition and NADCAP certification
Best Testing Company.
Zhejiang Guojian Testing Technology Co., Ltd (CCT) is a prominent company providing materials testing and calibration services, based in China. Specializing in metal testing, CCT offers customers comprehensive and reliable destructive testing and non-destructive inspection capabilities. Our testing services are fast, efficient, and cost-effective, supported by NADCAP and ISO 17025 accreditations, a rigorous quality program, and a team of technical experts, all ensuring that our customers' quality requirements are met and their critical business questions are answered with accuracy and dependability.