RELN is a second generation Australian-Owned family business that has been operating for almost 70 years. As an established and trusted brand, we design and manufacture multi-award winning, quality endorsed products for the Australian and international hardware and plumbing markets, exporting to over 20 countries globally. RELN has been a pioneer in recycled polymer technologies, having designed our own technology in our state-of-the-art manufacturing facility in Sydney. RELN is a leading brand with a complete product range in Surfacewater, Groundwater and Blackwater drainage solutions.