Stone line contains arc line ,bias ,curve ,patchwork stone line and so on ,Usually using their characters of inflective ,straight,arc ,concavoconvex,colorful and multiform to decorate the wall waist line ,the interface of platform ,and so on .Some are decorated in the doorframe and ceiling corner .the diminuticve arc pattern line is used in the arc interface of straight pattern line .large-scale big pattern is used in the outdoor door header ,windowsill and eave of the large-scale building ,which seems the inflective melody ,it also bring the friendly and comfortable feeling you .