PRODUCT INTRODUCTION Optical adjustment frame series products, because of its ultra-fine resolution (adjustment screw pitch is only 0.25mm), so it has ultra-high precision and stability (high-performance imported disc spring reset), a wide range of applications (up to 100 kinds of specifications), beautiful appearance, cost-effective, and widely used in optical related scientific research, teaching, industrial products, especially in the field of laser application. It also highlights its unique performance. KEY ATTRIBUTUES