南非采购需求：硝酸铵钙、三重过磷酸盐、磷酸二铵、磷酸二铵、肥料、氮磷钾肥

I hope this message finds you well. I wanted to reach out to inquire about the registration status of the products we're considering. It's important for us to ensure that the items comply with relevant standards and are properly registered with the appropriate authorities. Can you please provide me with details regarding the registration? Specifically, we would like to know if they are fully certified and if all necessary documentation is in place. Additionally, we'd appreciate it if you could share any information about the advantages of purchasing registered products from your facility. Are there specific certifications that your products hold, or any benefits we should be aware of? Understanding these aspects will help us in our decision-making process, so any insights you can provide would be greatly appreciated!