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| SINCHAN GROUP CO., LIMITED | Private company limited by shares | Live |
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| Sincher Metal Material Co. Limited | Private company limited by shares | Live |
| HONG KONG SINCHEUK GROUP LIMITED | Private company limited by shares | Live |
| Sincheung Limited | Private company limited by shares | Live |
| SINCHN TRADING LIMITED | | Live |
| Sincho Group Co., Limited | Private company limited by shares | Live |
| HK Sinchon Co., Limited | Private company limited by shares | Live |
| SinchungTrade Co., Limited | Private company limited by shares | Live |