Ningbo Mingyuan Hongda Automation Co., Ltd. was founded in 2014, located in No.12 Xingjia Road, Dazao Industrial Zone, Xikou Town, Fenghua District, Ningbo City, China, is a factory specializing in the production of oxygen regulator, oxygen generator solenoid valve, solenoid valve and other pneumatic components. We have an excellent team focusing on product development and design, quality control and inspection, and sales operation, which is able to respond quickly to the market demand and continuously launch innovative and competitive products....