About

About RMJ Co., Ltd. RMJ Ltd., headquartered near Tokyo Japan, stands as an innovative and engineering-driven company specializing in the manufacturing of miniature diaphragm pumps and solenoid valves. With a relentless commitment to cutting-edge technology, RMJ takes pride in designing and developing pumps tailored to meet the unique requirements of its customers. The company's expertise extends to various applications, making RMJ a distinguished industry leader in providing pumps for patient monitors, particularly in blood pressure and respiratory devices. Through a combination of precision engineering and a customer-centric approach, RMJ continues to elevate standards in the miniature pump and valve manufacturing sector, contributing to advancements in healthcare technology worldwide.