... " Place of Origin:ZhangQiuRuiye China(mainland) materail: cs coating:rust proof oil, standard:ansi b 16.5pressure:class300size:1/2"-48"u ... ,weight:0.63-540kgu,p:1.27-804.6dollars material:cs q235type ... ,din ,gost,en 1092,bs 4504fittings :elbows ,caps ,tees ,reducersstandards:ansi b 16.9,gost ,din We are a leading manufacturer ...