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Patent：2026 Filter module and assembly method thereofPatent：2026 Tenon-type filter framePatent：2025 Humidity control system and control methodCertification：醫療器材許可證（第 1 等級）（Taiwan Food and Drug Administration (TFDA)）Certification：醫療器材許可證（第 1 等級）（Taiwan Food and Drug Administration (TFDA)）Certification：ISO 14067Company website：https://www.yesiang.com/Phone：(02)22257858Main product：Other manufactured products n.e.c.

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