Beijing Jinzhengmao Technology Co., Ltd. is committed to the sales and research and development of laboratory equipment. Our existing products include liquid nitrogen (helium) thermostats, low-temperature temperature sensors, low-temperature temperature controllers, high-precision magnet power supplies, high-temperature magnetic field annealing furnaces, high and low-temperature magnetic field probe stations, Hall effect testing systems, magneto-optical Kerr effect measurement systems, and electrical transport property measurement systems! For many years, the company has been committed to providing sincere service and low prices, providing thoughtful pre-sales consultation and after-sales service to users in various industries in China. It has also established close and long-term partnerships with multiple instrument manufacturers and research institutions at home and abroad, winning unanimous praise from everyone!