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  • How to take care the 316L stainless steel jewelry ?

    by AAB SALE AAB SALE
    How to take care the 316L stainless steel jewelry ? Common use clean cloth to wipe the inside and outside of products, and it can be reduce the eff...

  • What is 316L stainless steel ?

    by AAB SALE AAB SALE
    What is 316L stainless steel ? The most safe metal for jewelry. 316L Stainless steel refers to weak corrosive of the steel such as air, steam, wate...

  • What is PVD coating ?

    by AAB SALE AAB SALE
    What is PVD coating ? The PVD is such coating technology that forms a few micron hard films on tools. The hardness of PVD is higher than tungsten c...