York Spring Bio-welding Nano-stainless double eyelids is different from the traditional double-folding method, which avoids the traditional double eyelid method of cutting (cutting double eyelids) and not lasting (buried double eyelids). The bio-welding double eyelids adopt the internationally advanced bio-welding technology and adopt a personalized design scheme. The double-folded eyelashes formed after the operation are upturned, not only the eyes become bigger but also have more charm, and the surgery does not need to be opened but can achieve a permanent effect. At the same time, the trauma is minimized, no need to remove the thread, no swelling after surgery, and does not affect normal life and work. At the same time, effective removal of swollen eye bubbles. More importantly, bio-welded double eyelids are reversible.