| 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 |
| HK PENGYU INTERNATIONAL DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK YINGMENG INTERNATIONAL DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| NUOMEISEN INT'L DOOR INDUSTRY (HK) LIMITED | Private company limited by shares | Dissolved |
| GERMANY KAIMI ENERGY-SAVING DOOR AND WINDOW INT'L GROUP LIMITED | Private company limited by shares | Live |
| GERMANY WDLK INT'L DOOR GROUP LIMITED | Private company limited by shares | Live |
| GERMANY HEERMAN INT'L DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| EASTERN DOOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HAPPY DOOR INVESTMENT LIMITED | Private company limited by shares | Live |
| DRAGON DOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GRAND DOOR INVESTMENTS LIMITED | Private company limited by shares | Live |
| DOOR SPEAK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ITALY SHENGFEIYA SLIDING DOOR GROUP LIMITED | Private company limited by shares | Live |
| GERMANY JILAIDENG DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| JINFUKANG DOOR CO., LIMITED | Private company limited by shares | Live |
| Future Door World Elite Joint Association Limited | Private company limited by shares | Dissolved |
| JOYFUL DOOR LIMITED | Private company limited by shares | Dissolved |
| GERMANY KALUOLI DOOR & WINDOW INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| GERMANY KRONE DOOR CONTROL LIMITED | Private company limited by shares | Live |
| Legend Door Company Limited | | Live |
| Well Lift Door Co., Limited | Private company limited by shares | Live |
| LUCKY DOOR LIMITED | Private company limited by shares | Live |
| MANIFOLD DOOR LIMITED | Private company limited by shares | Dissolved |
| GERMANY ORFF MEETALL SLIDING DOOR LIMITED | Private company limited by shares | Live |
| MIGHTY DOOR LIMITED | Private company limited by shares | Dissolved |
| MIGHTY DOOR LIMITED | Private company limited by shares | Live |
| MA ON SHAN SOUTH SKY DOOR THE KING OF THE SKY TIN HAU MOTHER COMPANY LIMITED | Company limited by guarantee | Dissolved |
| NEXT DOOR LIMITED | Private company limited by shares | Dissolved |
| NEXT DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| Next Door Limited | Private company limited by shares | Live |
| GERMANY NUOLAITE WINDOWS DOOR HARDWARE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| OCEAN DOOR CA LIMITED | Private company limited by shares | Dissolved |
| Open Door Limited | Private company limited by shares | Live |
| Open The Door Limited | Private company limited by shares | Live |
| Open Door Asia Limited | Private company limited by shares | Dissolved |
| OPEN DOOR ENTERPRISES LIMITED | Private company limited by shares | Live |
| OPEN DOOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OPEN DOOR MINISTRIES LIMITED | Company limited by guarantee | Live |
| OPEN DOOR STUDIO LIMITED | Private company limited by shares | Live |
| PACIFIC DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI PING PANEL DOOR FACTORY LIMITED | Private company limited by shares | Live |
| Open Door Productions Limited | Private company limited by shares | Dissolved |
| OPEN DOOR PROPERTY LIMITED | Private company limited by shares | Live |
| record Automatic Door (Hong Kong) Limited | Private company limited by shares | Live |
| RED DOOR RESTAURANT LIMITED | Private company limited by shares | Live |
| RICH DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH DOOR LIMITED | Private company limited by shares | Live |
| Rickety Door Limited | Private company limited by shares | Live |
| GERMANY STEINBACH SUNSHINE ROOM DOOR AND WINDOW SYSTEM CO., LIMITED | Private company limited by shares | Live |
| ROUGE DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYAL DOOR INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| GERMANY RUILAISHI DOOR AND WINDOW SYSTEM LIMITED | Private company limited by shares | Live |
| SALES DOOR LIMITED | Private company limited by shares | Live |
| SANELY DOOR LIMITED | Private company limited by shares | Dissolved |
| MINIBOX TO DOOR SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| SHEEN DOOR LIMITED | Private company limited by shares | Dissolved |
| HING SHING DOOR ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER DOOR LIMITED | Private company limited by shares | Dissolved |
| SILVER DOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Sliding Door Creative Limited | Private company limited by shares | Live |
| TO DOOR SOLUTION LIMITED | | Live |
| SOMMELIER NEXT DOOR LIMITED | Private company limited by shares | Live |
| SOURCE OF XIAN WOOD DOOR CO., LIMITED -THE- | Private company limited by shares | Live |
| Grand Star Door Company Limited | Private company limited by shares | Live |
| Studio Door (HK) Limited | Private company limited by shares | Live |
| SUCCESS DOOR LIMITED | Private company limited by shares | Live |
| SUCCESS DOOR ENTERPRISES LIMITED | Private company limited by shares | Live |
| GERMANY AUNDRO WINDOW & DOOR HARDWARE SYSTEM LIMITED | Private company limited by shares | Live |