It’s almost been 3 years since the full ceramic cartridge came in 2019. It seems there is a trend that full ceramic carts will take place of the metal carts. But the full ceramic carts still have some issues, bad flavor, prone to shattering, leaking, clogging, etc.
Here lists the main brand of full ceramic cartridges.
Full ceramic is easier to get problem than metal ones, but the technology developed a lot for years. as the one of the first ones to make full ceramic carts before 5 years ago, we got cost-effective and reliable ceramic cartridges, but its so pity to be unknown to the market.