Hangzhou Dahe Technology Co., Ltd. is a high-tech enterprise registered in Xihu District, Hangzhou, and is one of the earliest manufacturers of electromagnetic flow meters in China. The company's technology relies on Zhejiang University and has long-term scientific research accumulation, engaged in the development, marketing, and technical services of high-tech products. The series of flow meters developed by the company, including pipeline electromagnetic flowmeter, insertion electromagnetic flowmeter, vortex flowmeter, turbine flowmeter, metal tube rotor flowmeter, etc., have been widely used in various fields. The company has passed the national ISO9002 quality system certification and operates strictly in accordance with the ISO9002 quality assurance mode. To ensure the accuracy and traceability of measuring products, our company has a large-diameter flow calibration device, which is dynamically tested by computers to ensure product quality. The company has a comprehensive user service system, implementing engineering project responsibility training, system generation, on-site installation, debugging, commissioning, and after-sales service integration. We can provide installation services for plug-in electromagnetic flow meters under pressure. Our company will adhere to the quality policy of 'first-class quality, first-class service, and first-class technical support', and wholeheartedly provide high-quality services to domestic and foreign users.