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By certification 
Brand Name : SUN
Standard : YZB/Guo 1560-2009
Performance and Composition : 316L Stainless Steel Open-cell Design
Description :
Five Advantages:
1.Exquisitely crafted, superb craftsmanship
2.Unique Open-cell, S-link design
3.Excellent biological and tissue compatibility
4.Advanced crimping technology
5.Small profile, big wisdom
