Profile Platinum Plumbing Platinum Plumbing & Gas Fitting is a leading company having qualified and licensed plumbers provide emergency plumbing services in Melbourne. Contact us today to get an online quote! Last activity: on 06/12/2017 Joined: on 06/12/2017 http://www.platinumplumbing.net.au/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.