孟加拉采购需求：超低温制冷机、氦制冷机、液化装置、氦气提取装置、氢气液化装置、低温空分装置

I'm interested in getting more detailed information about your products. Could you provide specifications, material options, and any available features? It would also help to know your manufacturing lead times for these items. Additionally, I'm looking for pricing details. Please include your unit prices, bulk order discounts, and shipment costs. Understanding your payment terms and any minimum order quantities would also be beneficial. Looking forward to your prompt response!