How wisdom choose bucket of stainless steel soup?

How wisdom anthology
1: Use high grade data- - safe, environmental protection, be able to bear or endure erode
2: Processing of polish of essence of life, weld is smooth
3: Bucket of soup of environmental protection type
4: Moderate of full measure, ply
5: Grip is firm
6: Add large fine to include edge copy
7: Conduct heat fast, high temperature resistant compound bottom