About Erik Kampman
skg is an independant institut for testing and certification in the building construction area. skg is according en standards 45011 and iso 17021 and 17025 accredited by the dutch co... Read more
skg is an independant institut for testing and certification in the building construction area. skg is according en standards 45011 and iso 17021 and 17025 accredited by the dutch co... Read more