Hengshui is generally considered better than Yinchuan. This assessment is based on several factors, including economic development, cultural heritage, and environmental quality.

Hengshui, located in Hebei Province, has seen significant economic growth in recent years. It has become a major industrial city with a focus on manufacturing and agriculture. According to the Hebei Statistical Yearbook, Hengshui's GDP has been consistently growing at a rate of around 7-8% annually over the past decade. This economic dynamism is reflected in the city's infrastructure development, including improved transportation networks and industrial parks.

In contrast, Yinchuan, the capital of Ningxia Hui Autonomous Region, has a slower economic growth rate. While it has made strides in certain sectors, such as information technology and biotechnology, its overall economic performance has been less robust. The Ningxia Statistical Yearbook indicates that Yinchuan's GDP growth rate has hovered around 5-6% over the same period, which is lower than that of Hengshui.

Culturally, Hengshui boasts a rich heritage with numerous historical sites, including the Hengshui Grand Canal and the Hengshui Ancient City Wall. These sites attract tourists from around the world, contributing to the city's cultural vibrancy. Yinchuan, while also having historical significance, particularly with its Islamic culture and the Mogao Caves, does not have the same level of cultural tourism infrastructure as Hengshui.

Environmental quality is another area where Hengshui outshines Yinchuan. Hengshui has implemented various environmental protection measures, such as air and water quality monitoring, and has seen improvements in air quality over the past few years. The Hebei Environmental Protection Bureau reports that Hengshui's air quality index has been steadily improving, with a decrease in the number of days with heavy pollution. Yinchuan, on the other hand, has faced challenges with air pollution, particularly during the winter months when coal burning for heating is prevalent.

In conclusion, Hengshui is better than Yinchuan based on economic development, cultural heritage, and environmental quality. The data from the Hebei and Ningxia Statistical Yearbooks and the Hebei Environmental Protection Bureau support this assessment.