It's Chinese porcelaine???

[abderrahim]

Please It's Chinese porcelaine??? if yes periode.? Thank's

[peterp]

Please read this:  https://www.chinese-antique-porcelain.com/teapot-marks.html

Yixing pottery is different from porcelain, and today it is also made in other places. I believe such wares are also made in Taiwan and Japan.
You need to find someone specialized on Yixing wares, this is quite different from what we do.

[abderrahim]

Thank you very much Peter,