挪威采购需求：定制珠宝，14k金项链，最佳鼻环，定制吊坠，银戒指，环形耳环

I'm interested in your gold-filled products and would love to get more detailed info before proceeding with a purchase. Specifically, could you clarify the exact composition of the gold-filled materials you use? This info is crucial for me, as I aim to maintain transparency and credibility with my customers. I want to ensure I provide accurate descriptions of the materials in my offerings. Appreciate your help!