Abstract: A drawer panel adjusting device includes a fixed member, a first movable member, a first adjusting member, a second movable member, and a second adjusting member. The first adjusting member is located between the fixed member and the first movable member. A spiral block on the first adjusting member extends through a gap between two limiting blocks on the fixed member. The second movable member is mounted in an assembling groove of the first movable member. The second movable member includes a second adjusting hole and a guiding block located in the second adjusting hole. The second adjusting member includes an outer periphery having a spiral guiding groove. The second adjusting member extends through the second adjusting hole and is restrained in the assembling groove. The guiding block is engaged in the spiral guiding groove.

Abstract: An undermount slide rail assembly includes a main slide rail having a primary track. An inner slide rail includes an auxiliary track and an outer track connected to the auxiliary track. A bottom track is connected to the outer track and is located opposite to the auxiliary track. An inner track is connected to the auxiliary track and is located opposite to the outer track. An outer slide rail includes an assembling board and inner and outer boards connected to two edges of the assembling board. The inner slide rail is slideably received in the outer slide rail. A first sliding assistance board is slideably connected to the main slide rail and the inner slide rail. A second sliding assistance board is slideably connected to the inner and outer slide rails. At least one of the first and second sliding assistance boards is provide with both of rollers and balls.