| B.S.T. COMPANY LIMITED | Private company limited by shares | Live |
| B.S.T. HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| B.S.T. INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| B.S.T. INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |
| SHENZHEN BST4 CO., LIMITED | Private company limited by shares | Live |
| BSTDA Pacific Limited | Private company limited by shares | Live |
| BSTE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BSTER ENTERPRISE LIMITED | Private company limited by shares | Live |
| BSTESLA LIMITED | Private company limited by shares | Live |
| BS-TIP LIMITED | Private company limited by shares | Live |
| BSTLUX LIGHTING ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| BSTPCBA SCIENCE CO., LIMITED | Private company limited by shares | Live |
| B.STRING LIMITED | Private company limited by shares | Live |
| B-STYLE COMPANY LIMITED | Private company limited by shares | Dissolved |