Longsan Group is a National High-Tech Enterprise specializing in the research, development, production, and application of advanced building materials and construction systems. Headquartered in the Ningbo National High-Tech Zone, the company has established a strong industrial presence across China, with six production bases located in Xinyang (Henan), Tieling (Liaoning), Chengdu (Sichuan), Yuyao (Zhejiang), Fenghua (Zhejiang), and Beilun (Zhejiang).

Over the past two decades, Longsan has developed a comprehensive portfolio of products and solutions, including:

• Inorganic lightweight aggregate mortar insulation systems 

• Inorganic lightweight aggregate fireproof insulation board systems 

• Integrated insulation system solutions 

• Specialty dry-mix mortars for construction 

• Perlite-based mineral products 

• Synthetic sports surface materials (plastic courts and running tracks) 

These offerings reflect the company’s strong expertise in mineral-based materials, energy-efficient building systems, and sustainable construction technologies.

Building on its strong foundation in mineral-based materials, engineering implementation, and large-scale industrial operations, Longsan continues to advance into broader areas of sustainable material innovation. The company is actively expanding into environmental technologies, including the treatment and value-added utilization of industrial by-products such as fly ash, leveraging proprietary technology developed by its leadership and integrating it into its existing materials and production platform.

Guided by its core values of quality, integrity, pragmatism, and innovation, Longsan remains committed to collaborating with partners across industries to promote sustainable development and contribute to a greener built environment.

Longsan has been recognized as a Provincial Engineering Research Center for High-Tech Materials by the Zhejiang Provincial Department of Science and Technology. The company maintains long-term and close technical collaborations with leading research institutions, including the Inorganic Non-Metallic Materials Institute of Zhejiang University and the China Academy of Building Research.

Through these collaborations, Longsan has participated in over 20 national, provincial, and municipal scientific research programs, including key projects under China’s “12th Five-Year Plan.” The company has also obtained 19 invention patents and 2 utility model patents, demonstrating its strong innovation capability in materials science and applied engineering.

Longsan has played a leading role in the development of industry standards, serving as the chief editor of national standards such as JGJ253-2011 “Inorganic Lightweight Aggregate Mortar Insulation System” and JG/T435 “General Technical Requirements for Inorganic Lightweight Aggregate Fireproof Insulation Boards.”

In terms of industry engagement, Longsan holds multiple leadership positions, including:

• Standing Council Member of the China Building Energy Conservation Association 

• Vice Chairman of the Perlite Branch of the China Building Materials Federation 

• Deputy Director of the Building Insulation Professional Committee 

• Deputy Director of the Standardization Technical Committee for Building Energy Efficiency 

The company has received numerous honors, including:

• Top 20 Enterprises in China’s Building Insulation Industry 

• National Advanced Enterprise in Building Energy Conservation 

• Advanced Enterprise in Scientific and Technological Innovation 

• First Prize of the Huaxia Construction Science and Technology Award 

• First Prize of Ningbo Science and Technology Award 

• Second Prize of Zhejiang Science and Technology Award 

Longsan primarily serves leading real estate developers and government-subsidized housing projects. Its solutions have been widely applied in projects developed by major property groups such as Vanke, China Overseas Land & Investment, Poly, Evergrande, Greentown, Greenland, Longfor, China Resources, Shimao, and Wharf Holdings, as well as public housing developments across Shanghai, Zhejiang, and Jiangsu provinces.

To date, Longsan has completed over 45 million square meters of external wall insulation applications in energy-efficient buildings across China.