The export processing zone is a form of special economic zone and an outward-oriented special economic zone. It mainly uses foreign funds, technologies, and equipment to take advantage of China's land, resources, labor and other advantages, and mainly produces products for export. Which of the following areas belong to export processing zones:. ['Hong Kong Special Administrative Region.', 'Yanhu Economic Development Zone, Qinghai Province, Northwest China, adopts the strategy of attracting investment, foreign investment, our labor, land, and products are mainly sold in the five northwest provinces.', "Shenzhen's Shekou Industrial Zone cooperates with foreigners by processing materials and sells products abroad.", 'The product of Founder Group, a university-run enterprise of Peking University, must first support the teaching and research of the university, because it borrows the intangible assets of Peking University.']