From June 25th to 27th, the 2026 Changsha International Green Intelligent Construction and Building Industrialization Expo (referred to as the "Construction Expo") will be held grandly at the Changsha International Convention and Exhibition Center. 

Weijian Technology showcased its interior wall painting series robots and became the focus of the intelligent equipment exhibition area.

This year's Construction Expo is jointly hosted by the Hunan Provincial Department of Housing and Urban Rural Development, Hunan Provincial Council for the Promotion of International Trade, Changsha Municipal People's Government, and Hunan 

Provincial New Building Industrialization Promotion Association. The theme is "Technology Empowers Intelligent Construction, Innovation Leads a Better Life", with a total exhibition area of 45000 square meters and over 40000 attendees. The exhibition 

revolves around five major exhibition areas: intelligent equipment, construction industrialization, intelligent construction, "good houses", and urban renewal, covering the entire construction industry chain.

During the exhibition, Weijian Technology's booth attracted numerous industry experts, buyers, and visitors to stop and exchange ideas by targeting industry pain points and solving construction problems with intelligent technology. On site dynamic 

demonstrations and interactive explanations vividly presented how Weijian construction robots empower the construction of "good houses" and urban renewal. Weijian provides a mature and practical intelligent complete set of solutions for the 

transformation and upgrading of the traditional construction industry.

Weijian's interior wall painting series has shifted from "relying on hand feel" to "relying on data" in wall construction

Weijian's self-developed plastering and spraying robots have achieved a leapfrog improvement in construction efficiency, with wall hollowing rate and vertical flatness indicators comprehensively superior to traditional manual operation standards. 

The Weijian spraying robot controls the thickness of the paint film at the micrometer level, completely breaking free from the limitations of manual experience. All construction data can be traced and quantified, improving the standardization and 

refinement level of wall construction from the root.

Weijian plastering robot adapts to multiple scenarios, balancing accuracy and efficiency

The Weijian plastering robot has achieved plastering operations starting from 0mm, greatly improving construction convenience. There are two models of plastering series, PMC-3000iE wall plastering height 0-3.3 meters, PMC-6000iC wall plastering 

height 0-5.4 meters. Three minute application ", with a plastering area of approximately 70m 2 per hour. The key indicators such as flatness and verticality of wall plastering exceed industry standards.

Weijian · Spray Robot 0mm Scratch: Efficiency and Quality Double Exceeding

There are two models of Weijian spraying robots, both with a spraying coverage rate of over 95%. Its unique ceiling primary and secondary beam recognition and automatic calibration technology can dynamically compensate for deviations between 

the model and the actual environment. The PNP-3000iC model has a sprayed wall height of 3.2 meters, a ceiling height of 3.9 meters, continuous long walls, putty of 400m 2 per hour, and latex paint of 500m 2 per hour; The other PNP-6000iC model is 

suitable for larger spaces, with a wall spraying height of 5.9 meters and a ceiling height of 6.4 meters. It features continuous long walls, putty at 450m 2 per hour, and latex paint at 650m 2 per hour. It is designed specifically for large-sized open spaces 

such as basements and core tubes, and can handle complex building structures with ease, ensuring even and stable spraying effects.

Taking the 2026 Changsha Construction Expo as a window, Weijian Technology once again demonstrated its innovative strength in the field of construction robots. In the future, Weijian will continue to increase research and development investment, 

deeply cultivate the field of intelligent construction, promote the large-scale application of robots for the entire process of interior wall painting, and help the construction industry achieve comprehensive upgrading.