Shandong Shuangli international trading Co,.ltd established in 2016 ,is a professional engaged in the research, development, sale and service of tractors, diesel tricycles,harvester etc agricultural machine. We have more than 300 experienced workers ,and 600 advanced production equipment,including production line of assembly,electrophoresis paiting,rear axle,welding,casting machining.In addition, we have obtained ISO9001:2015,CE,TUV,AAA, ETC. Certificates.