customized hardware bases for fashion necklace pendants for a fashion accessory brand. Using high-strength zinc alloy material, through precision die-casting and polishing processes, the base thickness is 1.2mm, light in weight, and no sense of weight when worn. The inlay card slot is precise, which can firmly fix gems, pearls and other accessories. The surface can be customized with gold plating, silver plating, rose gold plating and other processes, with uniform and bright color, not easy to fade. The buckle design is smooth, easy to wear, and suitable for necklace chains of different thicknesses. This customized base helped the partner improve the differentiation of necklace products, with sales increasing by 51% year-on-year, and became a popular item in fashion accessory supporting products.