Pulp pump and other four papermaking machinery industry standards were issued by the National Development and Reform Commission.
Pulp Pump QB/T1697-2006, Pulp Pump Test Method QB/T1698-2006, Ball Rotor Pump QB/T1699-2006, and High Pressure Homogeneous Pump QB/T1700-2006, four industry standards, respectively Instead of QB/T1697-1993, QB/T1698-1993, QB/T1699-1993, QB/T1700-2001 and other four old standards.