- Compass Optic International Limited
- IR Cut-off Filter,infrared (IR) Filter,Optical Low Pass Filter (OLPF),Anti-aliasing filter,Cds Filter,Surveillance Equipment, Video Camera, Filters, .
- Address:Room 802, Hongtao Building, Bao An South Road, Luohu District, Shen Zhen, P. R. C
- Xingxing Group Zhejiang Quartz Crystal Optoelectronic Technology Co.,Ltd
- optical low pass filter, IR- CUT Filter , Quartz Crystal.
- Address:Buliding A5,xingxing Electronic Industry Zone,Jiaojiang District Taizhou Zhejiang 318015 China
- Shenzhen O-film Tech. Co., Ltd.
- infrared cut-off filters, cover glass, optical low pass filter, fiber coating, holder-ir.
- Address:Gongming, Shenzhen, Guangdong, China
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