Zhejiang Wolwo Bio-Pharmaceutical Co., Ltd.

Chinese biopharma company specializing in allergy diagnostics and immunotherapy drops

What Zhejiang Wolwo Bio-Pharmaceutical does

Wolwo Bio-Pharmaceutical develops, makes, and sells products that help doctors find out what a patient is allergic to and treat the allergy. Its products include skin prick tests that check for allergies to things like dust mites, plus under-the-tongue drops that slowly build a patient's tolerance to dust mites or Artemisia annua pollen.

How Zhejiang Wolwo Bio-Pharmaceutical makes money

The company earns revenue by selling its allergen diagnostic kits and sublingual immunotherapy drops to hospitals and medical channels in China and abroad.

Products & services

• Changdi (dust mite drops and skin prick test products)
• Changhao (Artemisia annua pollen allergen sublingual drops)
• Changdian (dust mite skin prick test diagnostic kit)