巴基斯坦采购需求：永久记号笔、永久墨水、编码打印机、快干墨盒、钢笔墨水、永久性记号笔墨水

I'm looking to get more details on the ink cartridges from the GT brand. Specifically, I'm interested in the performance, compatibility with different printer models, and pricing structure, including bulk order discounts. Could you also provide information on your lead times for delivery and any minimum order quantities? Additionally, I'd appreciate any specifications or certifications that come with the product, as quality is a key factor for us. Looking forward to your prompt response!