Business scope: Sale,
Import And Export Of Goods And Technology,
Law,
Law,
Photoelectric Equipment,
Technical Services,
Technology Development,
Technology Transfer,
Electronic Product,
Filter,
Optical Crystal,
Optical Material,
Research And Development,
Wholesale And Retail,
Optical Equipment,
Business scope: Building Materials,
Metallic Material,
Import And Export,
Optical Crystal,
Decoration Material,
Sales Of Daily Necessities,
Chemical Raw Materials And Products,
Housing Agency Service,
Pulp,
Coke,
Pig Iron,