prolon

The optimum operating parameters is the important way to improve seal performence of pump valve and to prolon...

因此，优化泵的工作参数是提高泵阀的密封性能、延长其使用寿命的重要途径。

rectangular blades with four cutting edges to prolon working life, adjustable shearing angle to reduce deformation of the sheet.

矩形刀片，四个刃口可使用，使用寿命长。剪切角可调，减少板料扭曲变形。