... ; 5.Centration=0.03mm Changchun Baitai Optics Co., Ltd. is a high-tech Company specialized in optical design,research and development, manufacture, sale ... square meters.Registered capital 2,000,000 YuanThe company existing optical design, the product research and develop expert 6, machine design ... the National Aerospace Department's praise; cone prisms(high-accuracy optical elements)