... tensile steel wire layers 1w3. Cover : abrasion and weather resistant synthetic rubber4. Temperature range : - ... 1. We have Certificate from API ( American Petroleum Institute ), ISO 9001:2000 , Coal Safety Certificate,MSHA and Iron and Steel Association .2 ... . Our products have exported to all over the world, Europe,Africa,America,South America, Asia and ... Hose 1SN 1/2"