... -neck flange titanium flange 1.standard: GB/T,GJB,ASTM,ASM,DIN 2.material: TA1,TA2,TA9,TA10,Gr1/2/5 titanium ... flangetitanium weld-neck flange standard: GB/T,GJB,ASTM,ASM,DINmaterial: TA1 ... chemical equipment, metallurgical, chemical machine, petrochemical1.titanium managing license2.our flange diameter is special big3.timely delivery-We are the manufacturer ...