AOVITE a professor in Mining truck .it have 2 factory ,one set up at 1979 ,produce spare parts for terex dump truck 3305;3307;TR35;TR45;TR50;TR60;TR70;TR100.it is an OEM manufacturer for Terex in China.Another factory majored in producing replacement pump and parts for Vickers ,Rexroth,Parker,Kawasaki ,etc.