Soft-paste porcelain its soft-paste and hard-paste varieties is fraught with misconceptions", and various categories based on the analysis of the ingredients have been proposed instead. Some writers have proposed a "catch-all" category of "hybrid" porcelain, to include bone china and various "variant" bodies made at various times. At least in the past, some sources dealing with modern industrial chemistry and pottery production have made a completely different distinction between "hard porcelain" and "soft porcelain", by which all forms of pottery porcelain, including East Asian wares, are "soft porcelain". Chinese porcelain, which arrived in Europe before the 14th century, was much admired and
Porcelain Europe in the second half of the 18th century. Doccia porcelain of Florence was founded in 1735 and remains in production, unlike Capodimonte porcelain which was moved from Naples to Madrid by its royal owner, after producing from 1743-1759. After a gap of 15 years Naples porcelain was produced from 1771 to 1806, specializing in Neoclassical styles. All these were very successful, with large outputs of high-quality wares. In and around Venice, Francesco Vezzi was producing from around 1720 to 1735; survivals are very rare, but less so than from the Hewelke factory, which only lasted from 1758 to 1763.