Product name : Elbow Standard : British,American , Din Band name : 'SON 'Size ;1/2''-6''material : ironhigh quality and fast delivery edge: plain, banded, beaded surface : black, hot dipped galvanized , electric galvanized Certification : ISO9001We ,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 .