size:1/2'~72¡® Carbon steel material:Q235,A105,16MN,20#,etc. Class:150/300/400/600/900/1500/2500 Type:WN,SW,SO,TH,LJ,BL. Standard:ANSI/DIN/JIS/EN/BSW/KS/UNI Packing:wooden case,pallet,other buyer' requirement delivery time:20days after receiving pre-payment. Port:TIAN JIN Contacts:Victoria Wang tel:(86) (351)8390966-820 fax: (86) (351)8390070, 8390966 Mobile: (86) 15364810312 E-mail: flange1 at smmcl dot com Website: http://www.smmcl.com