For the old and new customers and provide consumers with stylish sterling silver, greencopper products.
可为新老客户及消费者提供款式时尚的纯银、环保铜产品。
2
Copper (ancient copper) and patina (greencopper) color are the favorite for designers and owners, which manifest some kind of classic and nobility.
古铜色和绿铜色是很多设计师和业主喜欢的颜色，它体现了一种古典和高贵的气质。
3
In several reactions a colour change indicates the formation of new products. For example, greencopper carbonate reacts, when heated, to form black copper oxide and carbon dioxide gas.