Recently, with the participation in the drafting of MESNAC, three national standards have been published, including GB/T 26502.2-2011 “Conveyor Building Machine”, and GB/T 26963.1-2011 “Scrap Tire Normal Temperature Mechanical Method Process Rubber Powder Production Line 1st Part: General Technical Specifications”, GB/T 26963.2-2011 “Scrap Tire Normal Temperature Mechanical Method Process Rubber Powder Production Line 2nd Part: Testing Method”, and they will be carried out on 1st Dec. 2011 and 1st Jan. 2012 respectively.