According to No. 2017-20 bulletin of Standardization Administration of China, 203 new GB/T standards were published on 2017-07-31, which includes:

GB/T 4208-2017   >>>replacing  GB/T 4208-2008 : Degrees of protection provided by enclosure (IP code)

GB/T 4723-2017   >>>replacing  GB/T 4723-1992 : Phenolic cellulose paper copper-clad laminated sheets for printed circuits

GB/T 4724-2017   >>>replacing  GB/T 4724-1992 : Phenolic cellulose paper copper-clad laminated sheets for printed circuits

GB/T 17465.5-2017 : Appliance couplers for household and similar general purposes—Part 2-1: Sewing machine couplers

GB/T 16915.7-2017 : Switches for household and similar fixed electrical installations—Part 2-6: Particular requirements for fireman's switches for exterior and interior signs and luminaires

Those new standards will become into force since 2018-02-01.