Where can I find DIY store supplies in Grenchen?

DIY store supplies can also be found in these cities:

Aarberg Attiswil Bellach Biel Brugg Deitingen Freiburg im Breisgau Gerolfingen Grossaffoltern Heimiswil Jegenstorf Laupersdorf Lyss Lyssach Lüsslingen Münchenbuchsee Nidau Oberburg Recherswil Rüttenen Schalunen Solothurn Täuffelen Urtenen-Schönbühl Utzenstorf Wangen an der Aare Wiler bei Utzenstorf Zuchwil

You can also find this in Grenchen:

Lighting Alarm Systems Household Appliances Industrial Plants Video Systems Multimedia Illuminant Fire Alarm Systems Electrical Appliances