In October 30, 2015, The Australian Anti-Dumping Committee announced that the release of the welded steel pipe (originating in China) anti-dumping review final report has delayed until December 14, 2015. In September 2011, Australia started anti-dumping investigation for welded steel pipe originating in China. In July 2012, Australia has released the affirmative final report. In Aprial 2015, Australia Anti-duming interim reviewed the investigation on weded steel pipe originating in China.