... mark:OEM,Dia:1/4-1" 3.Processing:Cold &Hot forged Metal Fittings 1.Material:Stainless Steel or Carbon Steel2.Head mark ... ,A-10,A-6,ISO4014,ISO4017,etc8.Production Processing:Cold forged or Hot forged9.Surface:Whited,Plain,Zp,Hdg and Black ... : Approved and assured and can provide English test report11.Machine:Forged machine, Heat treatment Equipment, Drawing machine, etc12.Mould: We open ...