Kunming Yulong Optical & Electronics Technology Co.,Ltd is a higtech company specialized in optical film in China, and was established in 2003. The total investment is over two million US dollars. Our facility is about 1200 square meters which had built clean room. Our company have passed ISO9001 system certificate in 2005.


At present Yulong owns 4 hign vacuum coating machines with chamber sizes varied from 700nm to 1200mm,and includes 1200mm multi-layer coating machine made in Korea and three high-vacuum coating machine made in China.The coaters are all equipped elecrtic beam gun,ion source,optical or crystal film thickness monitors, two sets of spectrum-Shimadzu UV-2401 and UV-3150 imported from Japan, a sets of ultrasonic washing machine.

We have more than 40 employees. The staff is a team of experienced engineers and technicians. Our main products are AR coatings,metal & dielectric high reflectance mirrors, IR-cut filters, UV/IR cut filters, uv/vis/nir narrow bandpass filters, beamsplitter, laser film, dichroic filters, longpass filters, shortpass filters,cold mirrors, color filters, lens for auto darkening welding helmets and other optical coating according to customer requirement.


We can supply you competitive price, perfect service and graceful quality. We welcome all interested customers to contact us for more details, and We hope to establish long-term relationship with you in the near future.