?- Largan Precision Co. Ltd
- Sunny Optical Technology (Group) Company Limited
- Kantatsu Co. Ltd
- Genius Electronic Optical Co. Ltd
- SEKONIX Co. Ltd
- IM Co. Ltd
- AAC Technologies Holdings Inc.
- Ability Opto-Electronics Technology Co. Ltd
- Sunex Inc.
- Tamron Co. Ltd
- Haesung Optics Co. Ltd