... 3.Material:carbon steel,stainless steel 4.Pressure:150LBS-6000LBS 5.PL,SO,WN Cangzhou ... Shengtong Stainless Steel Products Co.,Ltd is the high-tech enterprise. Integrating Design , Processing , Sales ... client base.We impress our customers by superior quality, perfect services, affordable prices and prompt delivery ... work together with us for a brighter future. High pressure carbon steel flange