Our glazed pots is fired under 1200 degrees;,so enjoy beautiful color and strong enough.Usually puting outside of door in winter for long time,there is not crack glaze on the surface.It is suitable for plant the bonsai in different environments. Now our new kiln have been put into the production ,our capability is double than before. If you are specialized in bonsai pot,we hope you have time or opportunity to visit us and negoiate our busiess.