TOPTION is professional lab solution provider,and all devoted to provide the best solutions & products for global customers, who are work in biology, chemistry, pharmaceutical, environment analysis, food, academic research, etc. Regardless of the field you work in, we keep striving for the same goal: to provide you with the most suitable solutions & products, to make your research more accurate & efficient. TOPTION headquarters is located in Xi'an, China, where own hundreds of universities and research institutes, and famous as its thousands of years long history culture. Profound culture and strong scientific research strength, provide sustained and vigorous power for TOPTION development, so that make us could provide better products,solutions and service for you continuously. Main products contains chemical synthesis reactor, rotary evaporator, thin-film evaporator, photochemical reactor, high pressure reactor, freeze dryer, spray dryer, etc. TOPTION brand instrument has own high reputation in more than 70 countries and regions, provide technical support for tens of thousands organizations to solve problems within their research, special for university, research institutes, industries, inspection agencies, etc. Promoting technology progress and improving human life is TOPTION social mission. We believe, only the most excellent quality, most leading technology, most complete solution and most professional service, could make TOPTION mission and vision come true. So we will keep in continual innovation and hard work, to provide you with the best solutions & products, and make you research more accurate and efficient. We are a young, professional and creative team, We are customer-centric and responsible team. Our mission: make your research more accurate and efficient. Our vision: Become the world’s most competitive lab solution provider. Our value: Sharing & win-win, customer success, be thankful, keep growing, innovation and responsible.