DUVAL MESSIEN is a provider of products and services such as lightning conductors,earthing clips,clamps for electric earth wires,earth continuity conductors,earthing breaks, flexible,earthing tags for cable glands,earthing electrodes,earthing resistors and neutral earthing equipment,conduit flanges for earthing electric lines and cables,lightning/surge arresters,lightning conductors, radioactive,earthing equipment, overhead line,earthing outfits, intrinsically safe, petrol tanker loading,test and measuring equipment, earthing systems and contact and flow voltage,monitoring systems, earth leakage.