Echo Electronics Co., Ltd. is engaged in the design, manufacturing, and sales of electrical equipment and electronic measuring instruments, as well as the design, manufacturing, and sales of electronic application devices. We offer precise magnetic field strength measurements and customization of measuring instruments to suit various magnetic field measurement environments. Our NMR magnetic field measuring instruments are widely used in the field of physics (such as physical research and accelerator facilities) and in the medical field (such as distribution measurements for MRI magnets), based on over 50 years of experience.