Zhangye City in northwest China's Gansu Province is the country's largest producer of corn seeds, accounting for half of China's total production. Located on an oasis by the Yellow River, Zhangye's unique geographical features, including the Qilian Mountains and the Heihe River, provide a pure cultivation environment for high-quality hybrid corn seeds. The city's national corn seed production base covers over 70,000 hectares and produces 530,000 tonnes of corn seeds annually, offering various hybrid corn seed combinations. These seeds are crucial for maintaining high yield and disease resistance in corn crops. The city's seed companies use advanced technology for seed production and quality testing, ensuring local farms receive suitable seeds for their climatic conditions.