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Published: 28.10.2025

TNPVO «SIAM» Successfully Passed the ISO 9001:2015 Surveillance Audit

In September 2025, LLC TNPVO “SIAM” once again successfully passed the surveillance audit for compliance with the ISO 9001:2015 standard, which regulates an organization’s quality management system.


The audit was conducted by the international company Bureau Veritas Quality International (BVQI), which provides certification, industrial audit, technical supervision, and inspection services to confirm compliance with standards in the fields of quality, environmental protection, and safety. According to the results of the inspection, BVQI auditors noted no nonconformities and highlighted the high effectiveness of the quality management system implemented at LLC TNPVO “SIAM”.


This confirmation serves as an important indicator of the company’s process stability and its commitment to international quality requirements. The results of the audit strengthen the trust of partners and clients, creating favorable conditions for further development and continuous improvement of production and management practices.

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