About Us
A Trusted Sandwich Panels & Insulation Manufacturer Since 2006
ThermWall makes sandwich panels that insulate and enclose buildings efficiently.
From our 70,000 m² manufacturing base in Langfang, Hebei, China, ThermWall runs in-house production and quality control across the full process. Vertical integration and a testing lab let us guarantee consistent quality and lead times for buyers, distributors and brands in 55+ countries.
- 70,000 m² integrated factory
- In-house production & QC
- CE, EN 14509 certified
- Full performance testing lab
- OEM / ODM & retail packaging
Our Journey
Founded in Langfang, focused on sandwich panels.
Expanded production and added new sandwich panels lines.
Built an in-house testing laboratory.
Grew export sales across new markets.
Surpassed 10M m²+ panels produced per year.
Our Mission
To supply the world with dependable, well-made sandwich panels under trusted partnerships.
Our Vision
To be a trusted global manufacturing partner in sandwich panels & insulation.
Our Values
Quality, reliability and long-term partnership guide everything we make.