PVC-O 450
In April 2016, the Olive Blue Pipe was tested in accordance with the CJ/T445-2014 standard by using the complete assessment method. It successfully passed the 450-class material classification experiment conducted by the National Test Center of Polymer and Chemical Building Materials, marking that the Olive Blue Pipe technology has reached the international advanced level and become the pioneer of PVC-O400 and 450 water supply pipe materials in China.