The development in Qujiang with a duplex feature is the "Qujiang Greenview." This residential complex has gained popularity due to its unique architectural design and amenities, offering duplex units that provide both privacy and space.

The reason for the popularity of the Qujiang Greenview development is multifaceted. Firstly, the duplex units in this development are strategically designed to maximize privacy and comfort. Each duplex consists of two separate living spaces, one on the ground floor and one on the upper floor, which allows for a more secluded living experience. This design is particularly appealing to families or individuals who value privacy and separate living spaces.

Secondly, the Qujiang Greenview development is located in a prime location within Qujiang, offering easy access to various amenities and services. The development is surrounded by parks, shopping centers, and educational institutions, making it an ideal choice for those seeking a balanced lifestyle. According to a report by the Qujiang Real Estate Association, the development has seen a 20% increase in sales over the past year, largely attributed to the demand for duplex units.

Moreover, the architectural design of the Qujiang Greenview development is another factor contributing to its popularity. The buildings are designed with modern aesthetics and sustainable materials, ensuring both aesthetic appeal and environmental responsibility. The use of energy-efficient appliances and green building practices has also made the development a favorite among eco-conscious homeowners.

Additionally, the Qujiang Greenview development offers a range of amenities that cater to the needs of its residents. These include a swimming pool, fitness center, and children's playground, among others. The development also boasts a 24/7 security system, ensuring the safety and peace of mind of its residents.

In conclusion, the Qujiang Greenview development stands out as a prime example of a duplex development in Qujiang. Its strategic location, architectural design, and amenities have contributed to its popularity, making it a sought-after residential complex in the area. The 20% increase in sales over the past year is a testament to the demand for duplex units in this development.