... Type WNRF , SORF , BLIND ,SW, PL Flange surface FF,RF,TG,RJ etc Application Chemical engineering & Petrochemical technology; ... CL600,CL900,CL1500Working temperature-60°C~250°CFlange surfaceFF,RF,TG,RJ etcQuality controlUltrasonic Testing & Material Test ReportPackagingWooden ... time communication on technical points 3.In-time sending pictures and status of production process 4.In-time testing ...