... MaterialThe raw material are brass or red copper,We are buy in brass ball chain ,copperplate,copper wire, red copper ... S chain,throughthe second process get our products.Handmade weldingAll products are the handmade welding,We ... styles, such as cylinder,rectangle, triangle, T shape, semis-circle,one-layer(two, three, four, five rows…).Usage: jewelry, handbag, shoes, ...