The copper clad aluminum buckle uses H62 brass as its surface material, its color is similar to the color of 18K gold, so it has a strong decorative, and after an excellent surface treatment method can ensure long-term use without discoloration and rust . In addition, the copper surface of the copper clad aluminum buckle is very thin, with very little copper. At the same time, the clasp of the copper clad aluminum buckle is made of aluminum alloy, which ensures the mechanical strength of the buttons. The absolute strength of the buckle handle can reach more than 300N, so that the copper buckle aluminum buckle can be used under any conditions without losing the buckle phenomenon. Want to learn more about buttons: accessible Shaoxing Jinshengtai Textile Co. Ltd , https://www.sxheptexs.com