马来西亚采购需求：永久性记号笔、永久性墨水、编码打印机、速干墨盒、钢笔墨水、永久性记号笔墨水

I'm reaching out to find out whether your ink products are suitable for use on metal surfaces. Specifically, I'm interested in understanding if they provide good adhesion and durability when applied to different types of metal materials. Additionally, it would be helpful to know if there are any specific preparation steps or curing methods recommended for achieving optimal results. Understanding these aspects will help me make an informed decision regarding the potential purchase. Appreciate your insights!