We need 4 cusher machine for tunnel you pls inform me about your productions & their quotations.We will use these mchine around Ha noi city、 Vietnam.the crusher is required as:easy to be delivered by track incoming of crusher=600x600mm、 the geology of job site is hard rocks N=4.2 ~5 Kmm per second.Pls inform me that what kind of your crusher is suitable for our works.Best regards and thanks