FLANGES: Plate-type Flat Welding Flange, Slip-on Neck Flange, Butt Welding Neck Flange, Socket Welding Flange, Flat Welding Ring Loose Flange . Material: Stainless steel, carbon steel, alloy steel Standard: ANSI, GB, JIS, DIN... More
HIRELONG PIPING EQUIPMENT CO.,LTD