Shanghai Toposun Industries Co., Ltd. is located in Shanghai city.We have been working on scientific instruments for a long time, especially in lab instruments, such as agricultural instruments (farinograph, extensograph, falling number tester and so on), temperature testing chambers, electronic balances, spectrophotometers, water quality meters and so on.We have cooperated with many clients over the world. Our customers are from East Europe, South America, Southeast Asia and the Middle East. Since last year, we have established exclusive distributors in Brazil for our products.We have enough experience in after-sales service, and we offer 1-year guarantee for all of our products and technical support for whole working life.