... ,SCH40,SCH80 Hebei Kairui Pipe Fittings Manufacturing Co.,Ltd.Hebei Kairui Pipe Fittings Manufacturing Co.,Ltd. was set up in 1976.Our company located ... in Yanshan County,Hebei province,we are specialize in manufacturing ... sand blast,paint blackCertificatesAPI,ISO9001:2000We wish we can set up agreeable and mutual benefit business with you ...