OTF

OTF.OTF is a leading enterprise in the optical thin film industry established in 1999 and headquartered in Beijing's Zhongguancun Science Park. It ranks among the largest manufacturers in mainland China within this sector. The company has long specialized in the R&D, production, and sales of optical thin film products. Its extensive product line includes various types of filters, mirrors, laser components, and optoelectronic integrated products, widely applied in high-tech fields such as laser processing, medical technology, sensing, communications, and scientific research. OTF maintains ultra-clean production lines and a substantial array of advanced vacuum coating and precision inspection equipment, ensuring consistently high product quality. Leveraging its deep technical expertise and reliable manufacturing capabilities, the company has established long-term, close partnerships with numerous domestic and international clients, with its products distributed worldwide.