- Atto Co., Ltd.
- PECVD,Plasma Cleaner,F(Flexible)-LED.
- Address:Rm. 302, 2 Da, Shiwha Industrial Complex, 1263-1 Jeongwang-dong ,Siheung-si
- Hana Korea Industry Co., Ltd.
- Optical lens, Optical equipment, optical instrument, contact lens, contact lens cleaner, plasma ball.
- Address:301 Yongjin-ri, Bocksu-myun
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