尼日利亚采购需求：不褪色记号笔、不褪色墨水、编码打印机、速干墨盒、钢笔墨水、永久性记号笔墨水

We're looking to expand our product range and are particularly interested in both visible and invisible cartridges for HP printers. Could you please provide us with detailed specifications, including compatibility information, pricing tiers, and any available bulk purchase options? Additionally, we'd like to know about MOQ (Minimum Order Quantity) and lead times for delivery. It would also be great to receive information on any quality certifications or testing processes your products go through to ensure reliability. If you have any promotional materials, product samples, or catalogs available, please share those as well. We're keen to understand how we can establish a mutually beneficial partnership moving forward.