Core Insights - The article highlights the successful cultivation and branding of Jiaozhou cabbage, emphasizing its historical significance, quality assurance measures, and economic impact on local farmers [1][2][3] Group 1: Jiaozhou Cabbage Cultivation - Jiaozhou cabbage has a cultivation history of over a thousand years, benefiting from unique climatic and geographical conditions that enhance its flavor and quality [1] - The annual planting area for Jiaozhou cabbage is approximately 60,000 acres, with an annual production of around 300,000 tons [3] - The comprehensive annual output value of the entire industry chain is nearly 1.5 billion yuan [3] Group 2: Economic Impact - The average income per acre for farmers growing Jiaozhou cabbage is 68,000 yuan, with over 2,000 surrounding farmers benefiting from an average income increase of 18,000 yuan per acre [1] - The industry has created over 100 stable jobs and seasonal employment exceeding 1,600 person-times during peak seasons [2] Group 3: Quality Assurance and Branding - The Jiaozhou cabbage brand has been recognized with various accolades, including being listed as a "Chinese Famous Agricultural Product" since its geographical indication trademark registration in 2006 [1] - A digital, networked, and intelligent quality assurance system has been established to enhance the credibility of the Jiaozhou cabbage brand, incorporating traceability features such as QR codes [2] - The brand is protected by multiple government departments, with Jiaozhou cabbage included in key geographical indication regulatory lists, ensuring strict enforcement against infringement [2]