NDK
NDK (Nihon Dempa Kogyo Co., Ltd.) is a world-leading manufacturer of quartz crystals and frequency control devices, founded in 1948 in Japan. NDK’s products are widely used in telecommunications, automotive, medical devices, and consumer electronics. Known for high precision and reliability, NDK is a trusted partner of many major technology companies worldwide. Despite a serious incident in the U.S. in 2009, the company has since made significant improvements in safety and quality to maintain its leading position in the industry.
Official Website: https://www.ndk.com/