18px Arial, Helvetica, sans-senif; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-stretch: inherit; -webkit-text-stroke-width: 0px\">1. 4-way adjustment

18px Arial, Helvetica, sans-senif; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-stretch: inherit; -webkit-text-stroke-width: 0px\">2. Adopting advanced hydraulic system, longer life time and smaller volume.

18px Arial, Helvetica, sans-senif; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-stretch: inherit; -webkit-text-stroke-width: 0px\">3. Widening manganese steel spring can disperse force when the hinge closed. Strengthened spring is 2.5mm thick, while the thickness of normal ones is 1.5mm.

18px Arial, Helvetica, sans-senif; PADDING-LEFT: 0px; MARGIN: 0px; BORDER-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; TEXT-INDENT: 0px; font-stretch: inherit; -webkit-text-stroke-width: 0px\">4. Strengthened adjustable screw can widen the adjustable ranges and lengthen using life.