1. Impact-resistant shell 2. Anti wear If you have any question of above details, please feel free to contact us, if you want more information about the company or other products, visit our website: www.haixun-nt.comContact detail:Mr Tony LuAdd: Room701, Waitan Buiding, NO49,West Waihuan Road, Nantong, Jiangsu, ChinaTel:0086-513-89000610,89000612Fax:0086-513-89000613Web:www.haixun-nt.com WELDING ...