Nanjing David Instrument Equipment Co., Ltd./Hangzhou David Science and Education Instrument Co., Ltd. are companies that integrate design, manufacturing, and operation. The company has * technical strength, advanced production equipment and processes, a sound management system, and high-quality after-sales service. Our company focuses on continuously adopting new technologies, materials, and processes to produce dozens of products including rotary evaporators, high and low temperature circulation tanks, glass reaction vessels, circulating water vacuum pumps, super constant temperature tanks, magnetic stirrers, and more. Widely serving fields such as petroleum, chemical, national defense, physics, chemistry, biotechnology, life sciences, higher education institutions, and research institutions. And received positive reviews from *. Production address: Hangzhou (Hangzhou David Science and Education Instrument Co., Ltd.) Our company produces SHB series circulating water vacuum pumps DLSB series low-temperature circulation tank (low temperature can reach minus 120 ℃), DC series low-temperature tank, DFY series low-temperature reaction bath, R series/RE series rotary evaporator (2-50L), 1-100L double-layer glass reactor, 1-100L single-layer glass reactor, magnetic stirrer, super constant temperature tank, UV analyzer and other provincial general agent products: Shanghai Jinghong various test chambers (oven, drying oven, incubator, etc.), Kunshan Hechuang ultrasonic instrument, Shanghai Yarong rotary evaporator, Shanghai Shensheng rotary evaporator, Changsha Xiangzhi centrifuge, Taizhou Boao vacuum oil pump, Beijing Fukai melting point analyzer/microscope, Shanghai Yuepingtian balancer, Mettler, Sadolis balance, Shanghai Huxi Instrument Factory, Shanghai Jiangxing mixer, Changshu Xueke ice maker, etc. Agent sales of imported products: excellent brand products such as IKA from Germany, O'Hare from the United States, EYELA from Japan, Thermo Fisher from the United States, Binder from Germany, UVP from the United States, Mettler from Switzerland, and Sartoris from Switzerland. Sales products: Electronic precision temperature controller, circulating water vacuum pump, vacuum oil pump, peristaltic pump, low-temperature coolant circulation tank, freeze dryer, ice maker, centrifuge, constant temperature bath, blower/vacuum drying oven, incubator, constant temperature and humidity box, rotary evaporator, single/double-layer glass reaction kettle, high-pressure reaction kettle, oscillator, ultrasonic cleaner, pipette, sterilizer, pure water machine, distilled water machine, mixer, UV analyzer, microscope, melting point meter, moisture analyzer, electrophoresis instrument, conductivity meter, pH acidity meter, dissolved oxygen meter, polarimeter, refractometer, photometer and other optical instruments Our reputation comes from your satisfaction!