Four national standards for industry standards such as pulp pumps were released
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.
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