1.Material:H-K9L; 2.Dia.=12-0.03/-0.08mm; 3.power=5; 4.Irri.=0. ... Optics Co., Ltd. is a high-tech Company specialized in optical design,research and development, manufacture, sale, and technique consultation services ... square meters.Registered capital 2,000,000 YuanThe company existing optical design, the product research and develop expert 6, machine design ...