| CHINA DOOR LIMITED | Private company limited by shares | Live |
| CHINA BEST DOOR GROUP LIMITED | Private company limited by shares | Live |
| CHINA DOOR LOCK CO., LIMITED | Private company limited by shares | Live |
| CHUNG SING WINDOW & DOOR MANUFACTURER (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLASS DOOR LIMITED | Private company limited by shares | Dissolved |
| HONGKONG DYNASTY INTERNATIONAL DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| GERMANY KEDUN GROUP DOOR INDUSTRY TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI XING WAN JIA DOOR INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| LIXIN VICTORY MAGNETIC DOOR CURTAIN CO., LIMITED | Private company limited by shares | Live |
| GERMANY STORLEN DOOR AND WINDOW INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| ITALY CARMEN DOOR AND WINDOW SYSTEM CO., LIMITED | Private company limited by shares | Live |
| AROK DOOR WINDOW AND CURTAIN WALL CO., LIMITED | Private company limited by shares | Live |
| GERMANY WEIJIASI INTERNATIONAL DOOR & WINDOWS GROUP CO., LIMITED | Private company limited by shares | Live |
| Germany Solide Curtain Door And Windows System Co., Limited | Private company limited by shares | Live |
| GREEN DOOR COFFEE LIMITED | Private company limited by shares | Live |
| Green Door Coffee Roaster Limited | Private company limited by shares | Live |
| XINHUI DOOR COMPONENTS, LIMITED | Private company limited by shares | Dissolved |
| CROWN COPPER DOOR & COPPER ACTS CO., LIMITED | Private company limited by shares | Dissolved |
| RED DOOR COUNSELLING LIMITED | Private company limited by shares | Live |
| Germany Crown Glass Door Control Limited | | Live |
| GERMANY CROWN DOOR CONTROL HARDWARE LIMITED | Private company limited by shares | Live |
| GLOBAL (HK) COLD DOOR STRATEGIC SERVICES CULTURE LIMITED | Private company limited by shares | Live |
| HK DEMAISEN INTELLIGENT DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| DRAGON DOOR LIMITED | Private company limited by shares | Dissolved |
| EASY DOOR LIMITED | Private company limited by shares | Live |
| Elegint Automatic Door Company Limited | Private company limited by shares | Live |
| Ka Fai Automatic Door Engineering Limited | Private company limited by shares | Live |
| Kin Hing Door Engineering Limited | Private company limited by shares | Live |
| EVER DOOR LIMITED | Private company limited by shares | Dissolved |
| SUM FAT DOOR FACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MEE NGAI CHU KEE DOOR FACTORY LIMITED | Private company limited by shares | Live |
| FAME DOOR LIMITED | Private company limited by shares | Live |
| FANCY DOOR LIMITED | Private company limited by shares | Dissolved |
| FINE DOOR LIMITED | Private company limited by shares | Live |
| Chong Pong Fire Resistance Door and Shutter Company Limited | Private company limited by shares | Dissolved |
| BASSWOOD FLOORING AND DOOR FACTORY COMPANY LIMITED | Private company limited by shares | Live |
| DOOR FOOK LIMITED | Private company limited by shares | Dissolved |
| FORTUNE DOOR LIMITED | Private company limited by shares | Dissolved |
| FORTUNE DOOR LIMITED | Private company limited by shares | Dissolved |
| FORTUNE DOOR (CHINA) LIMITED | Private company limited by shares | Live |
| Magic Door Charitable Foundation Limited | Company limited by guarantee | Live |
| GAIN DOOR LIMITED | Private company limited by shares | Dissolved |
| Gaoyao jinli yinghai hanlong window and door hardware Limited | Private company limited by shares | Live |
| GERMANY OWNIC DOOR GROUP LIMITED | Private company limited by shares | Dissolved |
| GERMANY SINPOLO DOOR GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GLORY DOOR LIMITED | Private company limited by shares | Dissolved |
| HK GOLD CROWN DYNASTY DOOR GROUP (INT'L) CO., LIMITED | Private company limited by shares | Live |
| CHINA GOLDEN DOOR TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GERMANY GOSNOLD DOOR LIMITED | Private company limited by shares | Dissolved |
| Green Door Limited | Private company limited by shares | Live |
| GREEN DOOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GREY DOOR LIMITED | Private company limited by shares | Dissolved |
| GERMANY BOYADE INTERNATIONAL DOOR & WINDOW GROUP LIMITED | Private company limited by shares | Live |
| NINGBO HANSEN AUTOMATIC DOOR LIMITED | Private company limited by shares | Live |
| HAPPY DOOR LIMITED | Private company limited by shares | Live |
| GERMANY EUGENE DOOR & WINDOW HARDWARE TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| HINTS DOOR LIMITED | Private company limited by shares | Dissolved |
| PANPAN MUMEN (HK) DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| TODAY STAR (HK) DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| H.K. KAIDI.SIJIA (GERMANY) DOOR INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| H.K. GANGTIAN INT'L DOOR & WINDOW LIMITED | Private company limited by shares | Dissolved |
| H.K. LIDELI INT'L DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| HOLLAND SUDIR INT'L DOOR INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| Kin Hing Door (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG ROYAL DOOR CO., LIMITED | Private company limited by shares | Dissolved |
| OPEN THE DOOR CULTURE ADVISOR (HONGKONG) LIMITED | Private company limited by shares | Live |
| HONGKONG CARMON INTELLIGENT WINDOW & DOOR (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SUNNY DOOR GROUP DRESS LIMITED | Private company limited by shares | Dissolved |
| HONGKONG FANGFENG DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG JIAYU INT'L DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| HONGKONG KANGKANG DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Hongkong Jixiang Door Industry Trading Co., Limited | Private company limited by shares | Live |
| HONGKONG JINSHUN LUXURY DOOR CO., LIMITED | Private company limited by shares | Live |
| HONGKONG OLLIE DES DOOR CO., LIMITED | Private company limited by shares | Live |
| HONGKONG JINGUAN (INTERNATIONAL) DOOR WINDOW SYSTEM LIMITED | Private company limited by shares | Dissolved |
| DOOR OF HOPE, INC. LIMITED | Company limited by guarantee | Dissolved |
| GERMAN HORMANN DOOR INDUSTRY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| GERMANY HUKE DOOR & WINDOW HARDWARE GROUP LIMITED | Private company limited by shares | Live |
| INCOME DOOR LIMITED | Private company limited by shares | Dissolved |
| COME DOOR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HK JIAHE DOOR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Germany Te Xiu Ou Door Industry Limited | Private company limited by shares | Live |
| GUANGZHOU MENGYANG DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| HANG ON DOOR INDUSTRY (HK) LIMITED | Private company limited by shares | Live |
| JUBILANCE DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| GERMANY LEIDINUO DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| CHINA DOOR INDUSTRY ASSOCIATION MANAGEMENT LIMITED | | Live |
| XING QUAN DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| FOSHAN SEEYES DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SHENGYILONG DOOR INDUSTRY (SHANDONG) LIMITED | Private company limited by shares | Live |
| HK TIANYIXING DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| WEIWEI DOOR INDUSTRY (HK) INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| H.K WOYE DOOR INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| HK YINGLIQI DOOR INDUSTRY TECHNOLOGY LIMITED | | Live |
| HK YUANDA DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| ZHEJIANG SUNLIT DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| ZHEJIANG ENJOYHOME DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| GERMANY WEISIDUN INTERNATIONAL DOOR CO., LIMITED | Private company limited by shares | Dissolved |
| GERMANY DAISI DUN INTERNATIONAL DOOR LIMITED | Private company limited by shares | Live |
| GERMANY EU-KNIGHT INTERNATIONAL DOOR GROUP LIMITED | Private company limited by shares | Dissolved |