... )Standard:SCH20,STD,SCH40,SCH80 Hebei Kairui Pipe Fittings Manufacturing Co.,Ltd.Hebei Kairui Pipe Fittings Manufacturing Co.,Ltd. was set up in 1976.Our company ... in manufacturing all kinds of carbon steel pipe fittings with high quality and best price.ProductCarbon steel elbow,tee,reducer,bend,cap,pipeMaterialCarbon ... set up agreeable and mutual benefit business with you . carbon steel pipe fittings