怀山堂生物科技股份有限公司 

Huaishantang Biotechnology Co., Ltd. 

怀山堂，源于1773年，山药世家，八代传承，是“河南老字号”品牌与中国自主品牌。怀山堂生物科技股份有限公司，是专业从事山药等四大怀药培育、种植、养生产品研发、生产、销售及文化推广的上市企业，股票代码839834。怀山堂是国家级非遗项目四大怀药技艺传承企业，定位于山药专业健康教育服务运营商。 

Huaishantang, based in yams, was created in 1773, with eight generations of history, is a " time-honored Henan brand" and an Indigenous Chinese Brand. Huaishantang Biotechnology Co., Ltd. is a listed enterprise (Stock Code: 839834) specializing in the cultivation and planting of the four major Huaiqing medicines including Chinese yams, as well as research and development, production, sales, and cultural promotion of health preservation products produced from these Huaiqing medicines.  As an enterprise inheriting the technology of the four major Huaiqing medicines from the national intangible cultural heritage project, Huaishantang is positioned as a professional Health Education Service Provider in the field of Chinese yam. 

怀山堂铁棍山药及深加工产品 

Huaishantang iron stick yam and deep processing products