optical eyeglass
Product Description
Including color optical glass , flint optical glass, light filter ,color filter ,protective glass . It can be used in the academy , scientific research , war industry , public security , physic equipment , finance and so on..
Including color optical glass , flint optical glass, light filter ,color filter ,protective glass . It can be used in the academy , scientific research , war industry , public security , physic equipment , finance and so on..