Compressor parts

Bivy,
Thought to respond to original post but waited to see if anyone could help. Your query is not uncommon, shows up couple times a month. Water-less, oil-less, rectangular box, tri-power compressor owners noting lack of rebuild part availability. STKO, a YouTube airgun contributor, posted a video a year ago alleging a conspiracy by manufacturers in order to promote new sales over rebuilds. Some owners have rebuilt with parts scrounged at local hardware stores; repairs are short-lived. Suspect the truth of the matter is after 20-25 hours of reasonable use, this style of HPA compressor is near the end of a useful life. WM
 
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I posted this previously in the tanks, pumps, compressors forum, but haven’t gotten a response. So, I will ask here, does anyone know where I can order piston rings for an Autoins compressor?
It looks like what some term "Tuxing clone".

I have repaired a number of these and own a Nuong version. If that is the case, parts and complete cylinders are readily available. I have ordered from AliExpress and keep a spare on hand for quick turn-around on repairs.

Does the cylinder look like this?

20230722_201921.jpg