Founded in April 2002, Shanghai ofel Photoelectric Technology Co., Ltd. is a national high-tech enterprise. The aufield plant is 1650 square meters, of which 350 square meters meet the standard of purification workshop. The company is equipped with several advanced high-precision vacuum coating equipment, PE spectrum testing equipment, ultrasonic cleaning equipment, disco digital cutting equipment, liquid precision quantitative protruding equipment, etc.

Offel has a young management team and a professional, solid, United and energetic technology R & D team. It has rich experience in the development of optical thin film devices in aerospace engineering for many years and successful cases of the transformation of a number of technical achievements.

Ofel focuses on providing customers with high-performance optical film products and high-quality technical services. As a first-class professional enterprise of optical film in China, ofel enjoys four invention patents related to infrared coating and unique infrared material evaporation technology, four side Metallization Technology of filter, ion source assisted evaporation technology, precision mask graphics technology and ultra sonic cleaning technology of optical filter.

Relying on the unique Metallization Technology, ofil's infrared packaging window products became the first domestic supplier to supply foreign customers in bulk as early as 2008. Currently, offel focuses on the following products:

（1） Visible light series

1. Band pass filter

2. OLPF filter

3. Glued sheet

（2） Infrared light series

1. Infrared long wave pass filter

2. Infrared bandpass filter

3. Infrared Antireflection film

（3） Metal film

（4） Quartz crystal oscillator