Shanghai Hongguan Instrument Equipment Co., Ltd. is a comprehensive company specializing in research and development, production, sales, teaching, and chemical and biopharmaceutical instruments. We mainly produce a series of circulating water vacuum pumps, low-temperature reaction baths (tanks), low-temperature coolant circulation pumps, rotary evaporators, single-layer and double-layer glass reaction vessels, microwave reactors, heat collecting magnetic stirrers, electric stirrers, water bath pots, ultrasonic cleaners, lifting platforms and other products