在科研机构工作近20年后,汪义发创办了黄山诚义生物再生制品厂。多年来对畜内脏深加工“情有独钟”的他,孜孜不倦地攻克多项技术难题,尤其是从猪、羊小肠或猪、牛肺中提取肝素钠,从畜类的鼻骨、喉骨、气管等软骨中提取硫酸软骨素。 After working in scientific research institutions for nearly 20 years, Wang Yifa founded Huangshan Chengyi Biological Regeneration Products Factory. Over the years, he has been deeply committed to the deep processing of animal viscera. He has tirelessly overcome many technical problems, especially the extraction of heparin sodium from pigs, sheep small intestines or pigs, cattle lungs, from the animal’s nasal bones, laryngeal bones, Chondroitin sulfate is extracted from cartilage such as trachea.