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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.