美国采购需求：苹果酸、D-葡萄糖胺盐酸盐、单氟磷酸钠、酪蛋白、壳聚糖、糖精钠

I'm reaching out to gather some detailed information about your products. I'm particularly interested in understanding the specifications, available variations, and any unique features that might set them apart. It would be great if you could also provide insights into the manufacturing process, quality standards, and certifications associated with your products. Additionally, I would appreciate it if you could share your current pricing structure and any bulk order discounts that might apply. I'm looking to assess how your offerings align with our needs and budget. If you have a catalog or a data sheet available, that would be very helpful for my evaluation. Looking forward to your prompt response!