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\">Product adventages:

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\"> 

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. Strengthened adjustable screw can widen the adjustable ranges and longer using life.

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. Widening manganese steel spring,can disperse force when the hinge closed.Strengthened spring, thickness 2.5mm, Instead of common one thickness: 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\">3. Adopting advanced hydraulic system, longer life time and smaller volume