Shanghai Huaguang Instrument Factory is a professional manufacturer of various component analysis instruments with a history of more than 40 years in instrument production. At present, we mainly produce F732 series mercury detectors, 581 series photoelectric colorimeters, oxygen meters and other products, which are widely used in industries such as environmental protection, medical and health, scientific research, colleges and universities, food testing, and daily chemical products. Some of the mercury analyzer products have participated in food testing work provided for important conferences such as the National Committee of the Chinese People's Political Consultative Conference and the National People's Congress multiple times, and have been recognized and praised by relevant government leaders. The F732 series mercury analyzer and 581 series photoelectric colorimeter have repeatedly won bids in government centralized procurement projects of disease control centers and quality supervision and inspection centers in various provinces and cities. Our products have won high praise from customers for their excellent quality and good after-sales service. The F732-V and VJ mercury meters have also been selected by units such as the National Environmental Analysis and Testing Center, the Chinese Academy of Environmental Sciences, the Institute of Agricultural Quality Standards and Testing Technology of the Chinese Academy of Agricultural Sciences, the China National Institute of Daily Chemical Industry, and the Institute of Health Drug Instrument Inspection of the General Logistics Department of the Chinese People's Liberation Army. Shanghai Huaguang Instrument and Meter Operation and Sales Co., Ltd. mainly deals with products from Shanghai Huaguang Instrument and Meter Factory and other laboratory products. Since its establishment, the company has a history of more than ten years. Over the years, guided by the concept of "people-oriented, honest service", the company has provided thousands of types of instruments and meters to various industries, meeting the needs of customers and enjoying a high reputation in the industry. Shanghai Huaguang Instrument and Meter Operation and Sales Co., Ltd. warmly welcomes domestic and foreign customers to visit and consult ..