... . There are 8 centrifugal casting machines and 4 finishing lines for DN80-1800mm, which can produce 200 thousand tons per year ... and branch water supply pipeline .(5) T-type joint for easy connection.(6) High strength ,lighter than gray iron,good ... (8) We also supply after sale severice such as guidance for pipeline design , pipeline laying, purches pipes fitting , PE sleeving, valves ...