Method: By forging Pressure: ND6-ND100, PN6-PN100 Size: 1/2"- 24", DN15-600, DN650-DN2000. Tyep: Plate, SO, WN, Blind, Threaded, special mode. Material: Carbon steel: ST37.2, S235JR, C22.8, Q235, P250GH, A105, SS400, SF440A Stainless steel: A182, 304, 316, 316L etc Marking: Require Packing: Wooden Pallets Painting: Rust-preventative oil painting or black/yellow/varnish paint or Galvanizing Quality control: Internal/ ISO9001, KS system etc Inspection: Internal/third party Wooden pallets