We are a leading optical company in China, dedicating to the design, manufacturing and distribution of high precision elements system. The product line covers window, lens, prism, mirror, beamsplitter, filter, waveplate, crystals, etc. Also we provide coating service. All components ...

"SIMUWU",The brand belonging to Shanghai GEHANG Vacuum Technology Co.,Ltd. Which is specialized for international marketing.With the advanced technology, powerful producing capability and professional sales service. SIMUWU has been providing more high standard products ...