Su Meiguan iron pot is not a poisonous iron pot. Because Sumiguan iron pot is a registered trademark name of Shandong Platinum Kitchen Co., Ltd., which has been successfully applied and approved by the Shandong Industrial and Commercial Bureau. The main products of Sumiguan are: handmade iron pot, oil-free smoke pot, etc. The iron pots all meet the national testing standards and are not poisonous.