乌干达采购需求：aba、氮化铝、镓、硫化镓、二氧化钼纳米颗粒、纳米氧化铝粉末

I am looking to source granular yellow sulfur for our upcoming project and would appreciate some detailed information on your available options. Specifically, please provide insights into the different grades you offer, including any specifications or certifications that might apply. It would also be helpful to know about the packaging options, as well as the minimum order quantities you can accommodate. Additionally, I would like to understand your pricing structure and any potential discounts for bulk orders. If you have samples available, please let me know as this could assist us in our evaluation. Timelines for delivery and payment terms are also key factors for us, so please include those details in your response. Looking forward to your prompt and comprehensive reply!