Economical Material EPS PU PIR Rock Wool Purifying Sanwich Panel Wall Roof Steel Building Material

A sandwich panel is made up of three layers: a lightweight core (like PIR, Rock wool, or EPS) and steel sheets on both sides, which can be customized in thickness. These panels are commonly used for the roofs and walls of steel structure buildings such as warehouses, workshops, and cold rooms.

• Product Advantages

1. Efficient heat preservation & fire prevention: thermal conductivity 0.017~0.024 W/m-K
2. Closed pore rate >90% : moisture-proof and water-proof
3. Blind hole design: anti-seepage, freeze-thaw & corrosion resistance
4. Energy saving, environmental protection & economy: full closed cell structure reduces energy consumption, fluorine-free foaming technology is environmentally friendly, long-term use significantly reduces heating/cooling costs.
5. B1 fireproof standard: temperature resistance -50℃~150℃, no harmful gas release.
6. Lifespan: over 30 years
7. Application areas: building facades, industrial facilities, providing fire protection, sound insulation, decorative integrated customized solutions.

• Product Application

The sanwich panel widely used steel structure warehouse/workshop, fire prevention workshop, activity board room, chicken house, in cold storage room, fresh storage room, various purification rooms, air conditioning room, etc.

Wall Panels	Roofing Panels
Suspended ceiling panels	Cold Storage Panels

• Technical Support

A complete set of PU Rock Wool sandwich panel continuous production line, featuring the world's advanced polyurethane core production process and seven-component on-site foaming technology, ensuring stable product performance. The ultra-long dual-track guarantees the flatness of the product's surface.

1. Environmental Concept, Green Development
2. Strong Technical Strength
   Complete Qualifications, Reliable Quality
3. Annual production can reach 1 million square meters
4. Panel cutting precision error(±1mm)
5. Fully automated production

• Company ProfileShandong Lanjing Building & Construction Co., Ltd. is a professional manufacturer for Steel structure building,Container House and Prefab house in China for more than 10 years.
  Exported to 100+ countries and completed 500+ projects.
  IS09001, BV, SGS, TUV audited
  Lanjing Building & Construction offers comprehensive ONE-STOP services, delivering customized solutions that include Consultation, R&D, Design, Manufacturing, Installation, Overseas project supervision and after-sales support.
  We specialize in creation of high-quality Steel structure Warehouse, Workshop, High-rise steel fame building and Container house for Labor camp, worker container etc.
  We provide steel building to clients in the sectors of Oil & Gas, Mining, Energy dormitory, Site office, Shower container. Toilet Infrastructure and Construction projects Steel Structure built his reputation Reliability and Service.
  Our factory is located in Weifang, China, with a factory area of more than 12 hectares ((120.000SOM )and a registered capital of CNY50 Million, after more than 10 years of development, we have strong technical strength and comprehensive product lines.Steel Structure has completed 500+ projects in more than 100 countries, We has built long-term partnerships with different international companies as well as organizations & government.
• FAQ
  
  Q: What's the quality assurance you provide and how do you make quality control?
  A: Quality-first is our core value. LJ steel structure quality assurance team and quality control team have developed a rigorous quality inspection system based on ISO9001. Testing Laboratory guarantees qualified raw materials and high- standard product.
  
  Q: Do you provide installation instructions and on-site installation services?
  A:Every project will provide the installation instructions, and if you need, we also would like to send our engineer to the local construction site for helping the installation work.

Q:Can you produce according to my requirement?
A:Yes, all the design, size, printing and packaging can be done according to customer's request. About any further detail, please feel free to contact us.

Main Products Steel structure Building Prefabricated container house Metal Sandwich Panels

Shandong Lanjing Building & Construction Co., Ltd. as a professional manufacture of steel structure projects and prefabricated house offers a comprehensive ONE-STOP service for clients with customized solutions including consultation, R&D, design, manufacturing, installation, overseas project supervision and after-sales support.

We specialize in creation of high-quality steel structure warehouse, workshop, and high-rise steel frame building which have been applied in various fields including construction, tourism development and residential projects, and also various prefabricated container houses for labor camp, work dormitory, site office, shower container, toilet container and etc.