... JIS,BS,DIN.UNI,ANSI ,AISI ,ASME,NF,API ,GB ,GOST and Non Standard,4. Size:1/2"-48"5. ... 's requirement.16. Delivery time : Usual 15 days and can negotiate against specific quantity.17. QC staff :3 ... we have received a good reputation from our new and old customers whose do business with us .we ... are sincerely to establish long -term and friendly business relationship with you in the near future21 ...