Xi'an Toption Instrument Co., Ltd. was founded with the total area of more than 4,000 square meters, located in Science and Technology Industrial Park, Gaoxin District, Xi'an City. We are an integrated company gathering the development, production and sales with independent legal personality. Our aim is: Keeping Credibility, Honoring Contract and Providing Products with High Quality and Excellent Performance.Xi'an Toption Instrument Co., Ltd. respectively carries out the R&D and production of precision instruments and test infrastructures. The brand for all products of our company is TOPTION. Since establishment, several series of a variety of products have been developed and produced: multi-function photochemical reactor systems, (UV, visible lights, simulated sunlights, halogen light sources, antimony light sources and other different light sources), double glass reactors, three-layer glass reactors, rotyary evaporator systems, chillers, low-temperature cooling liquid circulating devices, low-temperature thermostatic baths, low-temperature cooling liquid circulating pumps, high-precision low-temperature thermostatic baths, low-temperature thermostatic circulators, ultrasonic cell crushers, ultrasonic extraction equipment, ultrasonic material emulsifying dispersers, freeze-drying machines, snow ice machines, chromatography experiment refrigerators, ultrasonic cleaning machines, sterile homogenizers, incubators, drying ovens, PCR instruments, electrophoresis apparatuses, electrophoresis tanks, membrane separation and purification equipment, spray drying equipment and other lab-equipment. Our products sell well around the world and gain a good reputation in many universities and colleges and scientific research institutions.Xi'an Toption Instrument Co., Ltd. has specialized temperature control technical personnel and advanced production equipment as well as perfect production process. We have established a complete quality management system to ensure product quality and achieve safe production. We strive to produce beautiful, practical, stable and cost-effective products and save more experimentation space for our customers. We will always provide you with safe, stable and high-performance test equipment to make you more relaxed during the experiment.TOPTION wholeheartedly provides high-quality products and reliable after-sales service for research institutions, universities and colleges, drug testing, chemical industry, metallurgy, biochemistry and key food processing projects. We sincerely serve you forever! We believe TOPTION will be your top option!