There will only be one steel seal. Lao Fengxiang's chain necklace usually has only one steel seal, on which the brand logo and related information will be engraved. Lao Fengxiang's necklace also has other carvings and signs, such as metal signs, material signs, style codes, weight and other information. This information can be located in different locations, such as the clasp and chain part of the necklace, which needs to be carefully identified when purchasing. Lao Fengxiang is a very famous jewelry brand in China, which produces various styles of necklaces, including set chains and single chains.