1.Forged flanges 2.Standard:ANSI.ASME.DIN.JIS.BS.GB. 3.Welding. 4.High quality and competitive price HEBEI SHENGTIAN PIPE-FITTINGS GROUP CO.,LID.Hebei Shengtian Pipe-Fittings Group Co.,Ltd. Was established in 1989. We are located in Mengcun Country in hebei Province, covering an area of 100,000 square meters, with a workshop of 25,000 square meters and registered capital of $7,500,000. We are ...