| Hong Kong Yichen Commercial Trading Limited | Private company limited by shares | Live |
| YICHEN WOOD CO., LIMITED | Private company limited by shares | Live |
| Yichen(China) International Trade Co., Limited | Private company limited by shares | Live |
| YICHENG COMPANY LIMITED | Private company limited by shares | Live |
| Yicheng China Resources Gas (Hong Kong) Limited | Private company limited by shares | Live |
| YICHENG INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK YICHENG INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Yicheng Toys Co., Limited | Private company limited by shares | Live |
| YICHENG TRADE CO., LIMITED | Private company limited by shares | Live |
| Yicheng Creation Engineering Co., Limited | | Live |
| YICHENG EDUCATION GROUP SHARES LIMITED | Private company limited by shares | Live |
| YICHENG ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| YICHENG FASHION CO., LIMITED | Private company limited by shares | Live |
| YICHENG FOODS LIMITED | Private company limited by shares | Live |
| YICHENG FOOTWEAR LIMITED | Private company limited by shares | Live |
| HK YICHENG ENTERPRISE GROUP LIMITED | Private company limited by shares | Live |
| YICHENG GROUP HOLDING LIMITED | Private company limited by shares | Live |
| YICHENG GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YICHENG INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU YICHENG TRADE CO., LIMITED | | Live |
| YICHENG INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Yicheng Hang Industrial Limited | Private company limited by shares | Live |
| YICHENG TOYS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK YICHENG INDUSTRY LIMITED | | Live |
| Yicheng Intelligent (Hong Kong) Co. Limited | | Live |
| Yicheng Intelligent (Hong Kong) Co. Limited | | Live |
| YICHENG INTERNATIOANL LIMITED | | Live |
| YICHENG INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| YICHENG INVESTMENT GROUP HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| YICHENG LOGISTICAL LIMITED | Private company limited by shares | Live |
| Yicheng Machinery Limited | | Live |
| Yicheng Supply Chain Management Co., Limited | Private company limited by shares | Live |
| YICHENG METAL COMPANY LIMITED | Private company limited by shares | Live |
| YICHENG SHOES LIMITED | Private company limited by shares | Live |
| YICHENG STOCK LIMITED | Private company limited by shares | Live |
| YICHENG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YICHENG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yicheng Precision Technology Limited | Private company limited by shares | Live |
| HK YICHENG TOOL LIMITED | Private company limited by shares | Live |
| HK YICHENG TRADE LIMITED | | Live |
| HK YICHENG INVESTMENT TRADING LIMITED | | Live |
| United Yicheng Trading Co. , Limited | Private company limited by shares | Live |
| YICHENG WUYOU HOLDING LIMITED | Private company limited by shares | Live |
| YiChengDa Clothing Limited | Private company limited by shares | Live |
| YICHENGDA INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| YICHENGDA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YICHENGDA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YICHENGDA INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HK YICHENGFENG INT'L GROUP LIMITED | Private company limited by shares | Live |
| Hong Kong Yichengg Trading Co., Limited | Private company limited by shares | Live |
| HK YICHENGLONG ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| YICHENGTONG HONGKONG CHEMICALS TRADING CO., LIMITED | Private company limited by shares | Live |
| Guangzhou Yichengtong International Trade Co., Limited | Private company limited by shares | Live |
| Yichengtong Technology Limited | Private company limited by shares | Live |
| YICHENGXIN TRADE CO., LIMITED | Private company limited by shares | Live |
| YICHENGXIN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| YICHENGXING INDUSTRY LIMITED | Private company limited by shares | Live |
| YICHENGYUAN TRADE LIMITED | Private company limited by shares | Live |
| YICHETONG LIMITED | Private company limited by shares | Live |
| Yichi Company Limited | Private company limited by shares | Dissolved |
| YICHI ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| YICHI INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| YICHI INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| YICHI INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| YICHI TECHNOLOGY LIMITED | | Live |
| YICHI TRADE LIMITED | Private company limited by shares | Live |
| YICHI TRADE CO. , LIMITED | | Live |
| YICHI TRADING CO., LIMITED | Private company limited by shares | Live |
| YICHIKA CO., LIMITED | Private company limited by shares | Live |
| YiChina Media Technology (Hong Kong) Limited | Private company limited by shares | Live |
| YICHMEDIA CO., LIMITED | Private company limited by shares | Live |
| YICHONG LIMITED | Private company limited by shares | Live |
| Yichong Technology HK Limited | Private company limited by shares | Live |
| HK YICHUAN ELECTRONIC LIMITED | Private company limited by shares | Live |
| GUANGDONG FOSHAN YICHUAN CERMET LIMITED | Private company limited by shares | Live |
| HK YICHUAN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| YICHUAN INDUSTRY AND TRADE LIMITED | Private company limited by shares | Live |
| YICHUAN Investment Limited | | Live |
| YICHUAN FENGRUN REFRACTORIES LIMITED | Private company limited by shares | Live |
| YICHUAN TRADING LIMITED | Private company limited by shares | Live |
| Hong Kong Yichuang Trading Co., Limited | | Live |
| YICHUANG (ZHONGSHAN) LIGHTING CO., LIMITED | Private company limited by shares | Live |
| YICHUANG SHARE CO., LIMITED | Private company limited by shares | Live |
| HK YICHUANG TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Yichuang Digital Technology Co., Limited | Private company limited by shares | Live |
| YICHUANG TRADING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG YICHUANG DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| YICHUANG ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK FEIYANG YICHUANG INVESTMENT LIMITED | Private company limited by shares | Live |
| HK YICHUANG NETWORK TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| HEBEI YICHUANG METALLURGICAL MATERIALS CO., LIMITED | Private company limited by shares | Live |
| Yichuang Hengtong Limited | Private company limited by shares | Live |
| YICHUANG INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| YICHUANG MATERIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| YICHUANG WEI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| USA YICHUANG TOOL (HK) LIMITED | Private company limited by shares | Dissolved |
| HONGKONG YICHUANG COMMERCE CO., LIMITED | Private company limited by shares | Live |
| Yichuang (HongKong) Microelectronics Co., Limited | Private company limited by shares | Live |
| HONGKONG YICHUANG LONG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YICHUANG TRADE LIMITED | Private company limited by shares | Live |