波兰采购需求：石墨坩埚、硅石墨坩埚、熔炼金属用坩埚、粘土坩埚、铸钢用坩埚、高温坩埚

I'm reaching out to inquire about pricing for the products in 250# and 400# specifications. Could you please provide me with the current pricing for both? Additionally, any relevant details regarding minimum order quantities, lead times, and payment terms would be greatly appreciated. Understanding the pricing structure for bulk orders is crucial as we're considering increasing our procurement volume. If you have any special offers or discounts for larger quantities, please let me know. Looking forward to your prompt reply with the necessary information to help us make a decision. Thanks!