美国采购需求：货物追踪、集装箱追踪、物流API、船舶AIS、空运查询、船期表

I'm reaching out to gather more details on the available options for your Hb products. Specifically, I'd like to know about different variations and any unique features that set them apart. Additionally, could you provide pricing information for each option, including any available bulk discounts? This will help me in making an informed decision. Looking forward to your prompt response!