| # | company_name | Contact Phone | Contact Address |
|---|---|---|---|
| 1. | Largan Precision Co.,Ltd. | 04-23593728 | |
| 2. | ISUZU OPTICS CORP. | 03-5526689 | |
| 3. | Kinko Optical Co., Ltd. | 04-26305679 | |
| 4. | SCHOTT Taiwan Ltd. | 02-25709626 | |
| 5. | Kawakawa Co., Ltd. | 02-2258-0038 | 10F., No. 16, Sec. 3, Shuangsh |
| 6. | Litefilm Tech Co.,Ltd. | 03-5511100 | |
| 7. | BASO PRECISION OPTICS LTD. | 886-4-25320168 | |
| 8. | CALIN TECHNOLOGY CO., LTD | 886-4-25353658 | |
| 9. | Newmax Technolgy Co.,Ltd. | 886-4-26864526 | NO.7,Lane 667,Chia Ho Rd.,Wai |
| 10. | TYN-JIAN INTERNATIONAL CO., LT | 03-3973579 | No.270, Jungyi Rd., Sec. 2, Gu |