Guoji Noodle Shop in Guozhuang Village. The store in Shandong that produces iron-stick yam shaved noodles is Guoji Noodle Shop in Guozhuang Village. The iron-stick yam shaved noodles produced by this noodle shop use local high-quality iron-stick yam as raw materials, and use a combination of traditional techniques and modern equipment to produce sharp and chewy noodles. Slippery and deeply loved by consumers.