... LJ, BL, TH, PL,LWN, Orifice Flanges and Non-Standard flanges 2. Material: carbon steel, stainless steel and alloy steel flange3. Standard: ANSI, JIS ... ’s Requirement7. Painting: yellow varnish, black paint. Rust oil and Zn8. Packing: Plywooden cases, pallets or as per customers’ ... square of categories,deep punchingtype,step shaft,ring class,gear and so on)14.Production Process: 1.Material 2.Material ...