Sanlihe Subdistrict Office, Dingjiazhuang Village. According to Ai Enterprise, Jiaozhou Chunyuan Seedling Plantation was established on June 9, 2014. Its registered address is Dingjiazhuang Village, Sanlihe Subdistrict Office, Jiaozhou City, Qingdao City, Shandong Province. Its business scope includes general projects: flower planting; gift flowers Sales; construction of landscaping projects; sales of agricultural and sideline products; sales of professional machinery for agriculture, forestry, animal husbandry, sideline and fishery, including botanical gardens. Toon seedlings are sprouts produced from the seeds of the toon tree. Due to seasonal restrictions, it is not easy to eat fresh toon in summer, autumn and winter.