NINVA.NINVA was established on May 18, 2022, with its registered office located in Mentougou District, Beijing. It is a specialized enterprise dedicated to the development and production of diamond bearings and diamond wear-resistant components. With over 20 years of exploration in diamond processing technology, NINVA has accumulated extensive experience in diamond machining and manufacturing diamond products, gaining a deeper understanding of the characteristics of diamond bearings. Through sustained technological innovation and manufacturing expertise, NINVA's R&D team has developed a series of high-performance diamond bearings. These products meet the demands of harsh global petroleum exploration and development environments, as well as challenging extreme conditions worldwide. NINVA has pioneered specialized diamond bearing processing equipment, including electrical discharge machining (EDM) machines and laser forming systems, continuously enhancing processing efficiency and precision. The company possesses a complete set of diamond bearing processing techniques, with products already deployed in markets across Europe, America, the Middle East, Russia, and China. NINVA has obtained ISO 9000:2015 quality management system certification, and select products carry CE certification. Key offerings include: PCD thrust bearings, PCD radial bearings, PCD composite bearings, and PCD valve plates.
