Geeetech

What you call agent is in reality a reseller he bought from you and sell it again. An agent is in commercial english dictionary an official representative. So when you said he is an agent you are supose to work with him.

Coul you clearly said yes or no you support my product buy from what you call and agent? It will be clear for me and other futur buyer where to buy it and if the 20$ is worth the no warantie on the product.

There are many meanings for agent in English. You can also call what I call " agent" as "distributor".
We need to clarify that all the products sent to distributer have been tested by Geeetech.
But there are also some people not cooperate with us. So please tell me who sold you the printer.