印度采购需求：气缸管

We are currently looking to purchase a specific series of cylinders with an internal diameter of 80 mm. At this time, we need a total of 4 tubes, each measuring 2000 mm in length. Could you please send us your best quotation for these items? Additionally, it would be helpful if you could provide details on lead time, payment terms, and any available discounts for larger orders. Your prompt response would be greatly appreciated as we are keen to move forward with this procurement. Thank you!