| Zech Industry Limited | Private company limited by shares | Live |
| ZECHAO EMBROIDER CO., LIMITED | Private company limited by shares | Live |
| Zechao Industry Limited | | Live |
| ZECHEM LIMITED | Private company limited by shares | Live |
| ZECHEN TRADE LIMITED | Private company limited by shares | Live |
| ZECHENG HK LIMITED | Private company limited by shares | Live |
| ZECHENG CO., LIMITED | Private company limited by shares | Live |
| ZECHENG (HONGKONG) GARMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| Zecheng Engineering Company Limited | | Live |
| ZECHENG FREIGHT FORWARDING CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Zecheng Industrial Co., Limited | Private company limited by shares | Live |
| HONG KONG ZECHENG LIMITED | | Live |
| ZECHENG TECHNOLOGY INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SINGAPORE ZECHENG PETRIFACTION (INT'L) LIMITED | Private company limited by shares | Live |
| Zecheng Trade Limited | Private company limited by shares | Live |
| ZECHENG INT'L TRADE CO., LIMITED | Private company limited by shares | Live |
| ZECHENG INT'L TECHNOLOGY TRADE (HK) LIMITED | Private company limited by shares | Live |
| Zecheng Gem Trading Limited | | Live |
| ZECHENG TRADING CO., LIMITED | Private company limited by shares | Live |
| UK Zechengen Industry Limited | Private company limited by shares | Live |
| ZECHENGSHUN (HK) LIMITED | Private company limited by shares | Dissolved |
| ZECHIN (HK) ELECTRONIC & ELECTRICAL APPLIANCE CO., LIMITED | Private company limited by shares | Live |
| Zechin International Co., Limited | Private company limited by shares | Live |
| ZECHIN COMMUNICATION (HK) LIMITED | Private company limited by shares | Live |
| ZECHIN ELECTRONIC TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| ZECHIN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ZECHO ASIA LIMITED | Private company limited by shares | Live |
| ZECHTRON TRADE CO., LIMITED | Private company limited by shares | Live |
| ZECHU TRADING LIMITED | | Live |
| ZECHUANG INDUSTRIAL LIMITED | Private company limited by shares | Live |