Your country’s custom office to determine what additional costs. You must tell us what the defect is and give us your order number. We provide technology support all the time, please feel free to contact at our service. Q: Should we using coolant liquid A: Water and coolant liquid both OK Q:How much water should we add for cooling. A: Yes, if you have forwarder in China, I will glad to send products to him/her. The item “Adjustable auto stop double cylinder pcp air compressor for air rifles 4500psi” is in sale since Saturday, October 07, 2017. This item is in the category “Business & Industrial\Hydraulics, Pneumatics & Pumps\Pumps & Pump Accessories\Other Pumps”. The seller is “txfactory” and is located in . This item can be shipped worldwide.