... : SY/T5037 Contact Person: Sheila ShaTianjin Zhongshun Petroleum Steel Pipe Co.,Ltd.Add: Caigongzhuang Industrial Park, Jinghai County, Tianjin,ChinaMail: sheila at ... , KS3583, GB/T9711.1/2,etc.EndPlain end, spigot & socket joint, beveled, cut square, flanged, piling shoes,etc.SurfaceBare, varnished, black ...