... factory produce wood shavings tun device is the use of wood shavings from the major, sawdust and ... with strongnails,customized according to customer requirements.Size of export exemption to avoid fumigation, formaldehyde emission ... the water,and wind, sun) the nail force strong.you can made according to customer ... standard, which combined strength of 1.07 mpa, grasps the screws force vertical for 1590 N, ...