美国采购需求：低温容器、液氮冷冻机、不锈钢液氮容器、不锈钢液氮罐、液氮钢瓶、液氮杜瓦瓶

I'm interested in obtaining a price quote for three specific models of intelligent liquid nitrogen biological containers. Could you please provide the details on availability, pricing, and any bulk order discounts? Additionally, it would be helpful to know the specifications and features of each model, as well as lead times for delivery. I'm looking forward to your prompt response so I can move forward with my purchasing decision. Thank you!