What are the specialties in Nanyang, Henan?

Nanyang specialties mainly include Nanyang Du Yu, pyrography, horn carving, carbon carving, straw painting, seismograph, deer blood wine, Xixia delicacies, kiwi fruit, wild honey, Tanghe beef, sesame sugar, Tongbai bean gluten, tea, social flag powder, wine on credit, Dengzhou yellow wine, black sesame oil, Nanzhao tussah silk quilt, Xinyi, Fangcheng Huangshi inkstone and so on.