阿富汗采购需求：数字COD传感器，水质监测，在线COD测量，化学需氧量传感器，实时COD分析，废水处理

I'm reaching out to inquire about the availability of some specific products I'm interested in. I'd like to know where I can purchase these items and if you could provide details on pricing, minimum order quantities, and lead times. Additionally, it would be helpful to understand the shipping options available and if there are any bulk discount opportunities. If you have a catalog or website where I can view these products, that would be great. Please let me know the best way to proceed with placing an order or if there's someone specific I should contact for further assistance. Looking forward to your prompt response so we can move forward. Thanks!