| VOLCANO SOURCE BIOTECH GROUP SHARE LIMITED | Private company limited by shares | Dissolved |
| WASON BIOTECH INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| PNP (BIO-TECH & WASTE MANAGEMENT) CO. LIMITED | Private company limited by shares | Dissolved |
| Weall Biotech Limited | Private company limited by shares | Live |
| WELFARE BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOTECH WELL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jan-2010 |
| Well Biotech HK Limited | Private company limited by shares | Live |
| WELL BIOTECH CO., LIMITED | Private company limited by shares | Live |
| WELL BIO-TECH INT'L LIMITED | Private company limited by shares | Live |
| WELLGENE BIOTECH LIMITED | Private company limited by shares | Live |
| European Wellness Biotech Investment Holding Limited | Private company limited by shares | Live |
| WESTERN CAPITAL BIOTECH LIMITED | Private company limited by shares | Dissolved |
| WINLEIN (HK) BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| WINNER BIOTECH GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| WINNER HEALTH BIOTECH LIMITED | Private company limited by shares | Live |
| Winzyme Biotech Limited | | Live |
| THREE WISE MEN BIOTECH (HK) CO., LIMITED | Private company limited by shares | Live |
| CHAN XIANG BIOTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| H.K GONG RUN XIANG BIO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| XIANG LONG BIOTECH LIMITED | Private company limited by shares | Live |
| Xiaomo Biotech Limited | Private company limited by shares | Live |
| HK XIMUYA BIOTECH LIMITED | Private company limited by shares | Live |
| International Xing Island Health & Biotech Trade Limited | Private company limited by shares | Live |
| XINGCHEN BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| A XINMEI BIOTECH (HK) LIMITED | Private company limited by shares | Live |
| XINRUN BIOTECH LIMITED | Private company limited by shares | Live |
| HK XIUNENG BIOTECH LIMITED | Private company limited by shares | Live |
| XIYATI BIOTECH LIMITED | Private company limited by shares | Live |
| Xizia Biotech Limited | Private company limited by shares | Live |
| XUANLIN BIOTECH LIMITED | Private company limited by shares | Live |
| HK XYSP BIOTECH LIMITED | Private company limited by shares | Live |
| HK YAMANDI BIOTECH LIMITED | Private company limited by shares | Live |
| YAMBEAR BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| HK YANGFU BIOTECH LIMITED | Private company limited by shares | Live |
| HK YANLIAN BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| YanXiShan Bio-Tech Group Limited | Private company limited by shares | Live |
| HK YAOLINTANG BIOTECH LIMITED | Private company limited by shares | Live |
| Yes-Sun Biotech Limited | Private company limited by shares | Live |
| KOREA YFEIZI BIOTECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HK YILINGDI BIOTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Aug-2018 |
| HK YIMIN BIO-TECH (INT'L) DEV. LIMITED | Private company limited by shares | Dissolved |
| HK YINUO BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Gold Metal Yitiaogen Bio-Tech Limited | Private company limited by shares | Live |
| YOGA BIOTECH LIMITED | Private company limited by shares | Live |
| Yosun biotech Limited | | Live |
| 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 |