Core Insights - The article highlights the successful harvest of selenium-rich grapes at Yanfan Family Farm in Langfang, Hebei Province, showcasing the farm's growth and the positive impact of financial support from Postal Savings Bank [1][2] Group 1: Agricultural Development - Yanfan Family Farm has cultivated over 145 acres of selenium-rich grapes, achieving an annual production of more than 90 tons and generating sales revenue of 6.8 million yuan [2] - The farm has expanded its influence by encouraging local villagers to plant grapes, resulting in an additional 5,000 acres cultivated by over 1,000 households, with an average annual income increase of over 12,000 yuan per household [2] Group 2: Financial Support - The farm faced financial challenges during its transformation, requiring significant investment to upgrade to more stable steel frame greenhouses and introduce better grape varieties [2] - Postal Savings Bank's Langfang branch provided a timely loan of 400,000 yuan, which helped the farm overcome its funding gap and successfully implement its renovation and varietal improvement plans [2]