哥伦比亚采购需求：原材料、尼龙纱、缝纫线、服装面料、尼龙Pa11纱、针织纱

I'm interested in exploring your offerings of chemical fibers and would appreciate it if you could provide me with detailed information on your wholesale pricing structure. Specifically, I'm looking for tiered pricing options that would give me insight into bulk purchasing discounts, minimum order quantities, and any other relevant terms related to your products. Additionally, it would be helpful to know about the various types of chemical fibers you have available, along with their specifications and any certifications they might possess. Understanding these aspects will greatly assist in assessing their suitability for our needs. Looking forward to your prompt response!