Quick answer: 10 Chinese chinese knotweed brands and companies are listed here, including Fang Hui Chun Tang, Feng Le Xing Yao Cai and Guo Qiang Zhong Yao, with registered company names and official websites. Updated 21 Oct 2026.
Chinese knotweed brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Fang Hui Chun Tang方回春堂 | 杭州方回春堂国药馆有限公司 | fhct.com |
| Feng Le Xing Yao Cai冯了性药材 | 中国中药控股有限公司 | gyflx.com |
| Guo Qiang Zhong Yao国强中药 | 四川国强中药饮片有限公司 | scguoqiang.cn |
| Hu Qing Yu Tang胡庆余堂 | 杭州胡庆余堂药业有限公司 | hqyt.com |
| Jing Wan京皖 | 亳州市京皖中药饮片厂 | jingwanyp.com |
| Jiu Xin Zhong Yao九信中药 | 九信中药集团有限公司 | jxzyjt.com |
| KANGMEI康美药业KANGMEI | 康美药业股份有限公司 | kangmei.com.cn |
| Li Liang Ji李良济 | 苏州市天灵中药饮片有限公司 | lljyygs.com |
| Wa Wu Shan Yao Ye瓦屋山药业 | 洪雅县瓦屋山药业有限公司 | wwsyy.com |
| Ye Kai Tai叶开泰 | 健民药业集团股份有限公司 | — |
Frequently asked questions
How many chinese knotweed manufacturers and suppliers in China are listed here?
10 companies are listed for chinese knotweed (何首乌). Full ranked profiles are being prepared.
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 9 have an official website and 0 publish an email address.