Based on 20years experience in stone quarry business and the strong partnership with the good reliable manufacturers of machine and equipment here in China, Keentool helps customers to source the good quality Chinese machine and equipment at reasonable costs for their natural stone quarry operation. 

To meet customer’s special requirement, Keentool provide customers the generators with customized configuration which is made up with different brands of engine like Yuchai, Perkins, Cummins, Doosan, Volvo Penta from all over the world and the alternator base on the afficient pratical experience, with the advantages of economical & easy maintenance, powerful output, low fuel consumption, long continuous running hours and durability.