详情
Various Optical
element
1, Sapphires and Synthetic Jewel
Bearing and Ceramal
2, Quartz glasses, Coloured
optical glasses, Tempered glasses,
3, Colour optical filters,
Optical elements
4, Heat insulation
glasses
5, Ultraviolet penetrating black
glasses
6, Special wavelength
filter
7, Various special lens and
prism etc
Our products used to hospital,
finance, metallurgy, photos, navigate, spaceflight, instruments,
watch and so on.
