- August 20, 2018 Gudang Art Design Purwo Supriyatno UKM [ssba] - Pengrajin, Gallery & Sentra kerajinan tembaga kuningan, kerajinan kaca patri & aluminium cor sejak 1999 di Sleman, Yogyakarta & Tumang, Cepogo, Boyolali - Indonesia. 1 Welcome To IWA 2018! Close We’re sorry! IWA 2018 voting is closed. We’re currently processing the results. Thank you. Voting Ended rating 62.3 Judge