Only one aftermarket manufacturer as far as I am aware and it is Chinese. Expect all different name labels by people marketing them. I have felt that the original cv joints where really top quality on these cars in the eighties.

They used heavy oil as the lubricant. As long as that was present or renewed periodically. With the boots also kept good or replaced as they started to look bad.

Then if the axles where rotated side to side on reinstallation. The original cv joints would probably then last well beyond the actual lifespan of the car.

I wondered why some replacements used grease as a lubricant. Then I thought if a boot leaked there was a greater chance of some thickened grease remaining in the joint. Heavy oil would all leave.