Quality assurance:

Heat Preservation Nail Factory/Insulation Fixing Nail 
Material: low carbon steel galvanized iron wire, plastic, etc. 
Surface Treatment: Galvanized. 
Features: Nylon Stud with thermal insulation cap, effectively reduce the thermal conductivity, more energy saving. Anchor's own unique design, can effectively increase the efficiency of construction.
Suitable substrates: concrete, lightweight concrete, bricks, etc. 
Using: can be widely used for slab heating, enhance the wall of construction, and for sound insulation.