... Petroleum Institute), ISO 9001:2000 , Coal Safety Certificate,MSHA Cover Fire Suppression Hose EN 853 1SN1. Tube : Oil resistant synthetic rubber2 ... :2000 , Coal Safety Certificate,MSHA and Iron and Steel Association .2. Our products have exported to all over the world, Europe ... 853 1SN, 2SN; EN 856 4SP, 4SH3. Flame resistant hose / Fire suppression hoses, Rotary drilling hose( 350 Bar )4. Air / Water ...