Shuangliu is generally considered the better location between the two. This conclusion is based on several factors, including economic development, infrastructure, and cultural significance.

Shuangliu, located in Sichuan Province, China, has experienced significant economic growth over the past few decades. According to data from the Sichuan Provincial Bureau of Statistics, Shuangliu's GDP has grown at an average annual rate of 10% since 2010. This economic growth is attributed to the development of the high-tech industry, particularly in the fields of electronics and information technology. Shuangliu has become a hub for multinational corporations and startups, attracting a large number of skilled professionals and investors.

In contrast, Longquan, located in Zhejiang Province, has a more traditional economy, primarily based on agriculture and light industry. While Longquan has seen some growth in recent years, it has not matched the pace of Shuangliu. The lack of significant economic diversification and a slower rate of infrastructure development contribute to Longquan's lower ranking compared to Shuangliu.

Infrastructure is another key factor in determining the better location. Shuangliu boasts a well-developed transportation network, including a high-speed railway station and an international airport. This connectivity makes Shuangliu an attractive destination for businesses and tourists alike. Longquan, while having some transportation facilities, does not have the same level of infrastructure development as Shuangliu.

Culturally, Shuangliu is renowned for its historical sites and traditional Chinese culture. The city is home to the Shuangliu Ancient City, which is a well-preserved example of Sichuanese architecture. Longquan, on the other hand, is known for its porcelain production, but it lacks the same cultural landmarks and historical significance as Shuangliu.

In conclusion, Shuangliu is the better location between the two, primarily due to its robust economic growth, superior infrastructure, and cultural richness. These factors make Shuangliu a more attractive destination for businesses, tourists, and residents alike.