印度采购需求：硝酸钾粉末/颗粒、硝酸钠粉末/颗粒、亚硝酸钠粉末、熔盐储热系统、硝酸铵钙粉末/颗粒、硝酸钙粉末/颗粒

I'm interested in getting more info regarding the pricing and availability of your products. Could you provide me with a detailed breakdown of the costs associated with various quantities, as well as any minimum order requirements? Additionally, I'd like to know if you have any ongoing promotions or discounts that might apply. Furthermore, I would appreciate updates on lead times for order fulfillment. This will help me in planning my inventory effectively. If there are any specifics regarding shipping options or potential delays, please include those details as well. Looking forward to your comprehensive response!