Our company is located in Songjiang District, Shanghai City. It is along with highway, near the Pudong Airport. The surrounding environment is very convenient. We are specialized in R&D, manufacturing, production and sales of all kinds of surveying instruments accessories. Our main products include battery, data cable, charger for GPS, total station and all sizes of reflective sheets. Our brands have Leica, Topcon, Trimble, Sokkia, South, Kolida, Nikon, Pentax, Gowin, Sanding, ...