1) This structure adopts section steel and is able to process stencil
plate with firm and stable structure
2) The hydraulic pressure oil jar is compressed tightly and steadily, is
easy to control, and has urgent strength adjustability
3) The base of the board rotates in accordance with the rolling bearing,
with no damaged to the base of the board
4) Control panel for buttons and indicator lamps is convenient to
operate, beautiful and practical