| HONGCHENG MANUFACTURE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| HONGCHENG METAL LIMITED | Private company limited by shares | Live |
| HongCheng Mill Machinery Co., Limited | Private company limited by shares | Live |
| HEBEI HONGCHENG PIPE FITTINGS LIMITED | Private company limited by shares | Live |
| Hongcheng Precise Instrument Co., Limited | Private company limited by shares | Live |
| HK HongCheng Science & Technology Limited | Private company limited by shares | Live |
| HK HONGCHENG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hongcheng Technology Limited | Private company limited by shares | Live |
| Hongcheng Electronic Technology Co., Limited | | Live |
| HK HONGCHENG METALS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK HONGCHENG TRADE LIMITED | Private company limited by shares | Live |
| Hk Hongcheng Trading Limited | | Live |
| HONGCHENG TRADING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK HONGCHENG XINGYE LIMITED | Private company limited by shares | Live |
| Xinhai Hongcheng Shipping Co., Limited | | Live |
| Hongchengsheng Co., Limited | Private company limited by shares | Live |
| HONGCHENGTAI (HONGKONG) IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| HONGCHENGTAI TRADING LIMITED | Private company limited by shares | Live |