| OUMA INDUSTRIAL LIMITED | Private company limited by shares | Live |
| OUMA INDUSTRIAL & TRADING LIMITED | Private company limited by shares | Dissolved |
| HK OUMA INDUSTRY TRADE LIMITED | Private company limited by shares | Dissolved |
| OuMai Furniture Limited | Private company limited by shares | Live |
| OUMAISI ELECTRICAL GROUP (HONGKONG) INDUSTRY LIMITED | Private company limited by shares | Live |
| OUMAISI INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TAIWAN OUMAISI CROP PROTECTION LIMITED | Private company limited by shares | Live |
| OUMAN ARCHITECTURAL LANDSCAPE DESIGN CONSULTANTS (AUSTRALIA) LIMITED | Private company limited by shares | Dissolved |
| OUMAN (HK) COSMETICS LIMITED | Private company limited by shares | Live |
| HK OUMAN INTERNATIONAL COSMETICS LIMITED | Private company limited by shares | Live |
| OUMAN ELECTRON BUSINESS SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| SWEDEN OUMAN INT'L HOLDING GROUP CHINA LIMITED | Private company limited by shares | Live |
| FRENCH OUMAN INTERNATIONAL COSMETICS (HK) LIMITED | Private company limited by shares | Live |
| Hong Kong Ouman International Trading Co., Limited | | Live |
| Hong Kong Ouman Share Holding Co., Limited | Private company limited by shares | Live |
| HONG KONG OUMAN WOOD GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| OUMAN INTERNATIONAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Ouman Technology Industry Limited | Private company limited by shares | Live |
| Ouman International Limited | Private company limited by shares | Live |
| ITALY OUMAN INT'L GROUP LIMITED | Private company limited by shares | Live |
| OUMAN HONGKONG MESSE LIMITED | | Live |
| HK BEN . OUMAN INT'L (SHENZHEN) FINERY SHARE LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG FOSHAN SHUNYAO OUMAN CERAMICS LIMITED | Private company limited by shares | Live |
| HK OUMANNA COSMETICS LIMITED | Private company limited by shares | Live |
| French Oumanni Biological Technology Limited | Private company limited by shares | Live |
| ITALY OUMANNI GROUP LIMITED | Private company limited by shares | Live |
| FRANCE OUMANNI INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK OUMANTING INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| H.K OUMANXIN FAMILY SPINS INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| OUMAO CHEMICAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Oumao International Co., Limited | Private company limited by shares | Live |
| HONG KONG OUMAO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG OUMAO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| OUMATE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |