According to the results of the American Petroleum Institute audit, API Spec 6A and API Spec Q1 certificates were obtained

From December 10 to December 13, 2018, the American Petroleum Institute (API) conducted an audit for the compliance of the quality management system with the requirements of Q1 Specification and the ability to produce products in accordance with 6A Specification.

According to the results of the audit, API Spec 6A No. 6A-2021 certificate dated April 23, 2019 was issued, giving the right to apply the Official API Monogram to manufactured products, as well as API Spec Q1 certificate No. Q1-3613, confirming compliance with the international requirements of the API quality management system.

The American Petroleum Institute is the only national non-government organization in the USA internationally recognized as a world leader in oil field equipment standardization. The standards set by API shall be acknowledged by all oil and gas companies throughout the world.

You can verify certificates on the website https://mycerts.api.org/Search/CompositeSearch