- Polarimeter(WGX-4)
- 2016-11-06 07:24
- This brand new type WGX-4 disk polarimeter can be used in the chemical Industry, hospitals, colleges, and universities a
- Metallurgical Microscope
- 2016-10-28 00:14
- This microscope is suitable to observe the microscopical surfaces of non-transparentObject. It is equipped with vertical