Started in 1999,,Shanghai Doolea Network Technology Co.,Ltd is aprofessional optical instrument factory in Jiaxing, China.Our teamconsists of seasoned engineers who have more than 10 years'experiences in this industry, and they had educated many skilledworkers. Our main products include handheld, digital andgemological refractometers, which have all specific use, Ourservices do not just end after sales, but will continue until theclients are satisfied. Our analytical instruments can be used inmany industries such as food, fruits, beverage, chemical, and ourclinical instruments for the health care market so as fibermanufacturing. We've already set up firm business relationshipswith clients all over the world, including USA, India, Egypt andEurope. We will be insisting on developing the best qualityproducts for our clients, ease-of-use and advanced technologicalinstruments. Our Mission: To Make Top Refractometer Our Vision:Customer First: (The ones who have trusted us must be our firstpriority.) Staff Second: (The ones who created value) Sincerely,Captai