Jiurun selenium-enriched agricultural ecological science and technology park. According to Boya Cultural Tourism Network, Zibo Jiurun Selenium-enriched Agro-ecological Science and Technology Park is located in Longquan Town, Zichuan District, the only natural selenium-enriched area in Shandong Province, with a natural selenium-enriched industrial park of 10,000 mu and a unique geographical resource advantage. The park integrates selenium-enriched research and development, demonstration planting, eco-tourism picking, agricultural education experience and health preservation.