All-close panel, adhesive structure with the type of building block, Freon-free polyurethane vesicant material is our innovation, which are very different from traditional open sandwich panel with connecting by metals, injected polyurethane at site with Freon. This new design excels the performance of the other manufacturers' products. It has been achieved the ISO9002 quality assurance certificate. Every year there are parts of products to be resold to Germany.

We had supplied daily apartment ...