| YatHing Biotechnology Company Limited | Private company limited by shares | Live |
| HONGYA YAXING BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK FIRST YEAR GROUP BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yeastech Biotechnology Limited | Private company limited by shares | Live |
| HK YHMC BIOTECHNOLOGY INT'L TRADING LIMITED | Private company limited by shares | Live |
| YICAI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YIDE BIOTECHNOLOGY LIMITED | | Live |
| HK Yihe Biotechnology Group Limited | Private company limited by shares | Live |
| HK YIJIA BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DESHENG YIJIAN (HONG KONG) BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YIKAIEN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| YILAIMEI BIOTECHNOLOGY (HK) GROUP LIMITED | | Live |
| Yili Biotechnology Co., Limited | Private company limited by shares | Live |
| YILIAN BIO-TECHNOLOGY (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| HK Yimeier Biotechnology Co., Limited | Private company limited by shares | Live |
| HK YINFEITANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK HAO YING BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| KAM YING BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YINGPU BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YINING BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YIPIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| FRANCE YIRENTANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YIRONG BIOTECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| JIU AI YISHENG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FRANCE YISHENGKANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YIWU JIANGER BIO-TECHNOLOGY HK LIMITED | Private company limited by shares | Live |
| YIXUE BIOTECHNOLOGY LIMITED | | Live |
| FRANCE YIYIJIA BEAUTY BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| DAHAN YIZHEN (CHINA) BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| USA YIZHONGYUAN BIOTECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| UK YIZUNTANG BIOTECHNOLOGY LIMITED | | Live |
| HK VIN YOISTEL BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YONGMAOJU BIOTECHNOLOGY LIMITED | | Live |
| HK YouBeiRuiSheng Biotechnology Limited | Private company limited by shares | Live |
| HK YOUDIBI BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YOULAN BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK YOUMEI (AUSTRALIA) BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| FRANCE YOUMEI BIOTECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| YTD-ECO BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yu Yuan Biotechnology Limited | Private company limited by shares | Live |
| CHINA YUAN YUAN YUAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HK TAI YUAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| USA XI YUAN BIOTECHNOLOGY HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| Ju Yuan Biotechnology (HK) Limited | | Live |
| SHENG YUAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hui Bai Yuan Biotechnology Trading Limited | Private company limited by shares | Live |
| YUANHENGYUAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUANYANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YUANYUMEI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yude Biotechnology Co., Limited | | Live |
| YUHONG BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| YUKOU BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YULIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUMEI BIOTECHNOLOGY LIMITED | | Live |
| HK YUMEIREN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| YUNFAN BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| YUNNAN MAKA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUOU BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Yuqi Biotechnology Limited | Private company limited by shares | Live |
| YUQIAO BIOTECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK YU'S BIO-TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| YUXIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYANSHIJIA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUYUANSHANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YUZHIJIE BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| ZAPP BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ZEMING HK BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zenith Biotechnology Limited | | Live |
| ZEXON BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHEJIANG TAINENG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ZHENG DUO BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| France Zhenhongliya Biotechnology Co., Limited | Private company limited by shares | Live |
| HK ZHENYAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHENYIMEI BIOTECHNOLOGY LIMITED | | Live |
| HK ZHIBEN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHIJIE BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK ZHIXIANG BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK ZHIYUAN BIOTECHNOLOGY INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| HK ZHIZHENTANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHONGHUI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHONGKEKUIHUA BIOTECHNOLOGY LIMITED | | Live |
| ZhongTai Biotechnology Pharmaceutical Group Co., Limited | Private company limited by shares | Live |
| ZhongYan Biotechnology (HK) Co., Limited | Private company limited by shares | Live |
| HK ZHONGYANG (ASIA) BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| KOREA ZHONGYANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZHONGYUAN HEALTH BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| France Yao Zhuang Biotechnology Group Co., Limited | Private company limited by shares | Live |
| ZHUOMEI BIOTECHNOLOGY CO., LIMITED | | Live |
| ZIBOSHI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZiShan Biotechnology (Asia) Limited | Private company limited by shares | Live |
| HK ZIWUNIU BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ZiXi Bio-Technology Group Co., Limited | Private company limited by shares | Live |
| ZKJMW BIO-TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| ALL ZONE BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ZUODY BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZUZHUANGTANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| XINSHA AGRICULTURE (HONG KONG) BIO-TECHNOLOGY.COM LIMITED | Private company limited by shares | Dissolved |
| MERMAID BIOTECHNOLOGY(HK) CO., LIMITED | Private company limited by shares | Live |