Kunming Yulong Optical & Electronics Technology Co., Ltd. is a high tech company specialized in optical film in China, and was established in 2003. The total investment is over two million US dollars. Our factory has an area of about 1200 square meters with clean room. Our company obtained ISO9001 system certificate in 2005.

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

We have more than 50 employees, with 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 customers' requirement.

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