자회사현황
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KOREA
- energy
- Materials
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HUNGARY
- energy Hungary
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CHINA
- China
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VIETNAM
- Vietnam
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USA
- USA
(주) 필에너지
(주) 필머티리얼즈
Philoptics USA Inc.
Philoptics Vietnam Co., Ltd.
Philenergy Hungary KFT.
Philoptics China Co., Ltd.