Named from its key technology, high-precision triple integral A/D conversion module, Shanghai SanJiFen (SJF) Apparatus Co., Ltd is a high-tech company devoted to the development of weighing apparatus and relative system engineering projects for more than 10 years.

To satisfy with the strict requirements of engineering system project, we produce tank indicator equipped with light bar, pressure, temperature, dimension, feed position, ration packing scale, dynamic checking scale, batching scale, liquefied gas auto filling scale, explosion proof scale, spring auto testing scale, cement penetration testing scale, pressure testing scale, direct visual and wireless crane scale. We believe the precision of our products must be your first priority for weighting measurement project.