There are single sets of chains, double sets of chains and three sets of chains, which are made of metal or jewelry with the same shape, color and luster. A single chain is a single necklace, and its style is relatively simple, which is the most common style in necklaces. Double chains are also common, generally consisting of two chains, one long and one short; Three groups of chains are composed of three chains with different lengths.

2. Square steel wire chain

This necklace is one of the best-selling varieties on the market now, because it is machined into semi-finished products and refined by hand. Necklace is small in diameter, small in style and exquisite. Suitable for women to wear, and women can wear it. Slim and beauty have been vividly reflected.

3. Mechanism chain

Necklaces of this style are all machined. Necklace is mainly composed of chain body and buckle. From the appearance, the mechanism chains are mostly abstract patterns, such as streamline and characters.