Hangzhou Sansi Instrument Co., Ltd. is a manufacturer of cement, concrete, civil engineering and testing machinery, as well as experimental instruments. With well-equipped facilities and strong technical force, we provide a wide range of high quality and competitively priced products for your selection. Extensively used in research institutions, colleges, universities, quality and technical supervision bureaus and other areas, our series have been welcomed by customers around the world. Please feel free to contact us for more details.