Standard: Business License Number: 91420105177734376A Issue Date: 2016-11-09 Scope/Range: Issued By: Wuhan Administration of Industry and Commerce and Quality and Technical Supervision

Standard: ISO9001 2008 Number: 00314Q20629R3M Issue Date: 2014-12-25 Expiry Date: 2017-12-14 Scope/Range: Issued By:

Standard: A test system for LED lighting controller Number: ZL 2015 2 0450480.1 Issue Date: 2015-11-18 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: A solid contaminant generating device Number: ZL 2015 2 0450550.3 Issue Date: 2015-11-18 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: Can automatically switch the ventilation window components Number: ZL 2015 2 0448266.2 Issue Date: 2015-11-18 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: An Indoor Heater Test System Number: ZL 2015 2 0445432.3 Issue Date: 2015-11-18 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: A device for measuring odor reduction of a range hood Number: ZL 2009 2 0351962.6 Issue Date: 2011-01-12 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: An air volume testing device of a range hood Number: ZL 2010 2 0691808.6 Issue Date: 2011-11-02 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: A Universal Safety Test Device Number: ZL 2009 2 0218987.9 Issue Date: 2010-10-06 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: A device for detecting and judging the value of remanufactured household electrical appliances Number: ZL 2015 2 0895629.7 Issue Date: 2016-04-20 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C

Standard: A Crane Loss - of - power and Loss - of - excitation Protection Device Number: ZL 2015 2 0984243.3 Issue Date: 2016-04-20 Scope/Range: Issued By: State Intellectual Property Office of the P.R.C