The General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee recently approved four new mandatory standards for lubricants. They are:

1. GB11181.1-2011 Hydraulic Oil (L-HL, L-HM, L-HV, L-HS, L-HG)

2. GB11120-2011 Turbine Engine Oil

3. GB5903-2011 Industrial Closed Gear Oil

4. GB2536-2011 Unused mineral insulating oils for electrical fluid transformers and switches.

The above new national mandatory standards will be implemented from June 1, 2012.