A topnotch supplying and counseling service provider of refractory metal products
Quality Assurance

From inception, all-round Quality Assurance has been the basic principle of TNTI. Its Quality Management System covers every aspect of the business and production and has been certified to be in strict conformity to Quality System Standard ISO 9001:2015.

TNTI strictly follows the quality assurance system, in full accordance with international standards for advanced design, manufacture, testing, from contract review, procurement of raw materials to finished products testing. 

Quality Assurance System implemented at TNTI covers all production stages right from raw materials, cold working, heat treatment till final products ready for dispatch. The elements of the Quality Assurance System correspond to the requirements of National and International codes as well as customers' own Quality Assurance requirements. Our quality policy mandates that Manufacturing Process Control Documents and quality plans accompany every operation within every work order.

The Quality Control department is independent of manufacturing shops. All TNTI employees bear responsibilities to understand and implement our quality management procedures and processes, and they are responsible for their own quality performance. Depending on the intended application and technical delivery conditions or every customer's specifications, a variety of specific tests can be carried out to ensure that highest quality standards are maintained.

Because of the implementation of high-quality assurance, TNTI is enabled to gain warmly-welcomed and fully-satisfied clients. Long-term relationship development is our core belief and therefore we are committed to deliver products of best quality to the clients in any case.

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