Nantong generally offers a safe environment for solo female travelers. Chinese culture deeply respects guests and foreigners, and it's uncommon to encounter severe cases of crime or violence. The locals are helpful and welcoming too. However, as with any travel, it's essential to always stay alert, especially in crowded areas. Ensure your personal belongings are secure and be aware of your surroundings during both day and night. Make sure to avoid isolated areas after dark and always have the contact details of your country's embassy. Basic knowledge of the local language will be helpful. Additionally, it's always recommended to keep your hotel details and emergency contacts handy.