About Us

Your Global Partner for End-to-End Metal Products Quality Control

Ningbo Tianyi Testing Technology Co., Ltd.

      Ningbo Tianyi Testing Technology Co., Ltd. (Zhongke Testing NDT Center) is a comprehensive service provider specializing in end-to-end quality control for metal products worldwide, headquartered in Ningbo, China.

       Drawing on Ningbo’s world-class port and established metal manufacturing cluster, we select and coordinate manufacturers capable of international delivery. We also operate our own professional testing laboratory in compliance with ISO 17025, supported by comprehensive metal products testing qualifications and years of laboratory management experience.

       We integrate supply chain sourcing with testing expertise, making quality control our core strength. This helps overseas clients identify risks early and reduce the costs of sourcing through trial and error.

Our Three Core Services

Our business comprises three core services, with quality control connecting sourcing, testing and equipment support.

Core Service 01

Global Metal Products Sourcing

We carefully select qualified manufacturers and can perform chemical composition, mechanical properties, visual, dimensional and internal defect checks throughout each order. Traceable testing records and products meeting international project standards give overseas clients robust quality assurance while reducing cross-border sourcing risks and coordination costs.

Core Service 02

Professional Metal Products Testing

We offer independent testing services to domestic and overseas clients. Our in-house laboratory and certified technical team provide metal material testing, performance testing and defect assessments, with reports in Chinese and English to support product acceptance, research and development, and quality dispute evaluation.

Core Service 03

Testing Equipment Support Services

We provide testing equipment sourcing, custom development, tooling and fixtures, and system upgrades and modifications. Drawing on hands-on testing experience, we match equipment to clients’ operating conditions and help resolve challenges in equipment selection and implementing modifications.

Tianyi Testing connects supply chain resources, testing verification, sourcing and delivery, and equipment support. We aim to be a trusted partner for comprehensive metal products quality control solutions worldwide.

Quality Assurance Capabilities

Our qualifications, team, management systems, testing facilities and supplier controls form an end-to-end quality assurance framework covering sourcing, testing and delivery.

Recognized Qualifications and Certificates

Relevant qualifications underpin valid reports and effective quality control.

ISO 17025, ISO 9001 and relevant testing qualification certificates are displayed here. All external testing and quality control activities operate within the applicable qualification framework.

An Experienced Professional Team

Technical expertise is the first line of quality control.

Our team includes experienced, certified nondestructive testing engineers, metal materials engineers, quality control engineers and technical sourcing specialists.

We understand international standards for castings, forgings and machined parts, combining knowledge of material processing, testing techniques and international supply chain requirements.

Quality Management Systems

Standardized systems support consistent, repeatable service for every batch.

We operate in accordance with ISO 9001 and ISO 17025 management requirements, controlling personnel, equipment, samples, working methods and environmental conditions.

All testing and inspection records are fully archived, enabling quality traceability throughout each order.

Testing Facilities and Equipment

Our own testing facilities support reliable, objective results.

Our standardized in-house laboratory is equipped with precision testing instruments. All testing equipment undergoes regular calibration to ensure reliable results.

Testing Capabilities:Chemical composition analysis, mechanical properties testing, nondestructive testing, and dimensional and geometric tolerance inspection.

Rigorous Supplier Management

Careful manufacturer selection helps identify quality risks at the source.

Our supplier qualification process includes reviews of manufacturer qualifications and on-site assessments. We retain only manufacturers meeting international standards and can arrange on-site production inspections for key orders to monitor process compliance.

We maintain an approved supplier list, regularly reassess manufacturers and remove those that no longer qualify, reducing the risk of batch quality issues at the source.

Looking for a Sourcing, Testing or Equipment Support Solution?

Send us your product drawings, technical specifications or testing requirements. We will develop a quality control plan tailored to your project’s operating conditions.