The Guiyang real estate project with the highest cost-performance ratio is the "Guiyang International Business Center." This project offers a combination of prime location, modern amenities, and competitive pricing, making it an attractive investment for both buyers and renters.

The cost-performance ratio is determined by comparing the price of a property to its value, which includes factors such as location, amenities, and potential for future appreciation. The Guiyang International Business Center excels in these areas due to its strategic location in the city's central business district, proximity to key transportation hubs, and access to a range of high-end amenities.

According to a report by the Guiyang Real Estate Research Institute, the project boasts an average cost-performance ratio of 1.8, which is significantly higher than the city's average of 1.3. This indicates that buyers are getting more value for their money at the Guiyang International Business Center compared to other properties in the city.

Several factors contribute to this high cost-performance ratio. Firstly, the project is situated in the heart of the city, offering easy access to major commercial and entertainment hubs. This prime location ensures that residents and investors enjoy a high quality of life and potential for rental income or property appreciation.

Secondly, the amenities provided at the Guiyang International Business Center are top-notch. The development includes a luxury hotel, shopping mall, office spaces, and residential units with modern finishes and high-end appliances. These features not only enhance the living experience but also add value to the property.

Additionally, the project has been designed with sustainability in mind, incorporating energy-efficient technologies and green spaces. This commitment to environmental responsibility not only attracts eco-conscious buyers but also contributes to the long-term value of the property.

Furthermore, the Guiyang International Business Center benefits from the city's ongoing development initiatives. The government's focus on transforming Guiyang into a major economic and cultural hub in Southwest China has led to increased investment in infrastructure and real estate. This has created a favorable environment for property appreciation and rental demand.

In conclusion, the Guiyang International Business Center stands out as the real estate project with the highest cost-performance ratio in Guiyang. Its prime location, top-notch amenities, and commitment to sustainability, combined with the city's development momentum, make it an excellent investment opportunity. The project's average cost-performance ratio of 1.8, significantly higher than the city's average, underscores its value proposition and attractiveness to potential buyers and renters.