| UK YOUFAN BIOTECH (HK) LIMITED | Private company limited by shares | Live |
| YOUTHWELL BIOTECH LIMITED | Private company limited by shares | Live |
| HUA YUAN BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| Yi Mai Yuan Bio-Tech Co. Limited | Private company limited by shares | Live |
| HK SHENG YUAN BIO-TECH LIMITED | Private company limited by shares | Live |
| Yuan's Biotech Limited | Private company limited by shares | Live |
| HK YUANYANG BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| HK YUANYANG BIO-TECH GROUP LIMITED | Private company limited by shares | Live |
| Yuanyi Anti-aging Biotech Limited | Private company limited by shares | Live |
| YUBO BIOTECH LIMITED | Private company limited by shares | Live |
| DACHAN YUCHAO BIOTECH (ZHU) LIMITED | Private company limited by shares | Dissolved |
| HK YUHUANG BIOTECH CO., LIMITED | Private company limited by shares | Live |
| HK YULU BIOTECH LIMITED | Private company limited by shares | Live |
| HK YUMEI BIOTECH LIMITED | Private company limited by shares | Live |
| YUNDUAN BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| ZARON BIO-TECH (ASIA) LIMITED | Private company limited by shares | Live |
| ZENTRO BIOTECH LIMITED | Private company limited by shares | Dissolved |
| ZERO Biotech Company Limited | Private company limited by shares | Live |
| Net Zero Biotech Limited | | Live |
| ZHEJIANG KONO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| ZHENG HAN BIO-TECH RESEARCH CO., LIMITED | Private company limited by shares | Live |
| Zhengyi Biotech Co. Limited | Private company limited by shares | Live |
| Zhengying Biotech Co., Limited | Private company limited by shares | Live |
| ZHENPENG BIOTECH (HK) COMPANY LIMITED | Private company limited by shares | Live |
| HK ZHIHUANGQINGMEI BIOTECH MEIYAN GROUP LIMITED | Private company limited by shares | Dissolved |
| HK ZHIMEI BIOTECH LIMITED | Private company limited by shares | Live |
| Zhong Kang Biotech Holdings Limited | Private company limited by shares | Live |
| ZHONGDAO BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ZIXIN BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| Z-LINK BIOTECH CO. LIMITED | Private company limited by shares | Live |
| Zodiac Bio-Tech Limited | | Live |
| Zoono Biotech Limited | Private company limited by shares | Live |
| ZOYO BIO-TECH (HONGKONG) LIMITED | Private company limited by shares | Live |
| Zymber Biotech Limited | Private company limited by shares | Live |
| BIOTECHAPB.HK LIMITED | Private company limited by shares | Live |
| AUSTRALIA PUBANG BIOTECH(HK)COMPANY LIMITED | Private company limited by shares | Live |
| BIOTECHINA LIMITED | Private company limited by shares | Dissolved |
| BIOTECHINVEST ASIA LIMITED | | Live |
| BRIGHT LINK BIOTECHNE LIMITED | Private company limited by shares | Dissolved |
| Bio-Techne Hong Kong Limited | Private company limited by shares | Live |
| BIOTECHNICS LIMITED | | Live |
| ASIAN BIOTECHNOLOGICAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| BAICAOXIN BIOTECHNOLOGICAL CO., LIMITED | Private company limited by shares | Live |
| Chengqi Biotechnological Co., Limited | | Live |
| SUPERNAL BIOTECHNOLOGICAL CO., LIMITED | Private company limited by shares | Live |
| Zhuma Biotechnological Holding Co., Limited | | Live |
| China a Biotechnological Group Limited | | Live |
| FRANCE AOS BIOTECHNOLOGICAL GROUP LIMITED | Private company limited by shares | Live |
| INTERNATIONAL BIOTECHNOLOGICAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DAH KONG BIOTECHNOLOGICAL LOGISTICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAFE TECH BIO-TECHNOLOGICAL PRODUCTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Kiu Fan Biotechnologies Company Limited | Private company limited by shares | Live |
| PH Biotechnologies Limited | Private company limited by shares | Live |
| HP Biotechnologies Limited | | Live |
| Amuyink(Hong Kong) Biotechnologies Limited | Private company limited by shares | Live |
| care biotechnologies Limited | Private company limited by shares | Live |
| Geneleaf Biotechnologies Limited | Private company limited by shares | Dissolved |
| DRAGON PACIFIC BIO-TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DST BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TAI YI BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| T S BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TIM LIK TAI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| WEI DA BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| B&H BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| KUN RUN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| JRW BIOTECHNOLOGY, LIMITED | Private company limited by shares | Dissolved |
| KJF BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SCS BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ZLR BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| U&R BIO-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Kam Lee Biotechnology Limited | Private company limited by shares | Dissolved |
| TCG BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| JU BAO BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FU MEI LIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK SX BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KML BIO-TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WDD BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AI NUO WEI BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WB BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK HX BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| IFA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK ZST BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HBH BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK NEW AGE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| WAI YIP BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| E & S Bio-Technology Limited | Private company limited by shares | Live |
| Leo Biotechnology Limited | Private company limited by shares | Live |
| JIN AO BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ECO Biotechnology Company Limited | Private company limited by shares | Live |
| HK AI RUN BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HEP BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sin Bo Biotechnology Limited | Private company limited by shares | Live |
| HK YAN MEI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOG Biotechnology Limited | Private company limited by shares | Live |
| LAM BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| JNQ BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Kao Biotechnology Company Limited | Private company limited by shares | Live |
| Xun Bai Hui Biotechnology Limited | Private company limited by shares | Live |