Product name : Malleable iron pipe fittings Material : Iron Standard :British,American,Din edge : Plain , banded , beadedSurface : black , hot dipped galvanized , electric galvanized Usage : connecting various pipelines to convey gas , oil , steam and so on .Certification : ISO9001high quality and fast delivery We ,Hebei BoNa Enterprise is a professional supplier of pipe fittings and steel pipes for more than 20 years .So that we can supply you good products with competitive price . Our main products are as followings : Malleable iron pipe fittings Carbon steel pipe nipples & sockets Carbon steel pipes (seamless & welded )If you are interested in our products please feel free to contact me .