1. In terms of length, gold and silver jewelry companies can expand the scope of sales channels to increase their influence in the market, which can be achieved by establishing cooperative relations with new sales agents, opening stores in new areas, and online sales.

2. In terms of width, gold and silver jewelry companies can attract more consumers by expanding their product lines, which can be achieved by developing new products and launching more brands. Gold and silver are ancient currencies with universal equivalence and high collection value. Jewelry refers to pearls and precious stones, which were mostly decorations in ancient times.