проверенных

проверенных

"Verified" or "proven."

Here, 'проверенных' is an adjective in the genitive plural form, describing the suppliers as trustworthy or verified through prior experience or testing.

Мы используем только проверенных поставщиков для нашего бизнеса.

We only use reliable suppliers for our business.

In this sentence, 'проверенных' describes the data, indicating that it has been checked and confirmed for accuracy.

Книга основана на проверенных данных и фактах.

The book is based on verified data and facts.

Here, 'проверенных' illustrates methods that have been proven through prior successful applications.

Он всегда доверяет только проверенных способах достижения цели.

He always trusts only reliable methods of achieving goals.