... :CE,ISO,TUV 4.All standard Professional Supplier of Forged Flange1) Product Name:Forged Flange2) Type of Flange: SLIP-ON, WELDING NECK, BLIND ... ,000 Tons per YearWe are JINAN SHUANGKE FORGING MECHANICAL CO.,LTD WHICH IS A PROFESSIONAL MANUFACTURE OFFERING VARIETY OF FLANGE,WN,PL,BL ... !ANY QUESTIONS,CALL ME,LET’S TALK THE FURTHER INFORMATION. Professional Supplier of Forged Flange