Established in 1998, Wenzhou Sundoo Instruments Co., Ltd. is a corporation, which specialize R&D, manufacture, and selling measuring equipments. Today the sales net covered all over China including 2400 distributors. SUNDOO brand and the products of SUNDOO are confided by all users and clients. SUNDOO INSTRUMENTS is a manufacturer of few companies, which can produce good quality, high accuracy and resolution, multifunctional measuring equipments in China. With a wide range of use, our products are applied in fields such as Electronic& Magnetic Industry, Machinery Industry, Textile Industry, Nice Manufacture, Automobile Industry, Lighter Industry, Scientific Research and so on.