Ningbo Zhanjing Optical Instrument Co., Ltd.

[ Manufacturer Trader ]Main business are Optical instrument

Wuhan Siwei Instrument Co., Ltd.

[ Manufacturer Trader ]Main business are Microscope, Astronomical telescope

Guangzhou Special Inspect Instrument Co., Ltd.

[ Trader ]Main business are Instruments and meters, Electronic tool, Tool, Measure cutter, Laboratory equipment and spare parts