Established in the year of 2002, Zhejiang Wolwo Biopharmaceutical Co., Ltd. (浙江我武生物科技股份有限公司) is a high-tech biopharmaceutical listed company. Wolwo specializes in innovative drugs with major technological or market advantages (including stem cell drugs, effective Chinese medicine or natural medicine), and products with medical functions, new medical devices, etc. Wolwo is currently the only SLIT (sublingual immunotherapy) manufacturer in China, and is the largest research and production base for allergens in Asia. Wolwo also develops cosmetics as an extension of the company's desensitization industry. Official website—http://www.wolwobiotech.com/ "SilkArmor" brand website—http://silkarmor.wolwobiotech.com/