Specification: * aperture 430*230mm hole number: 12*11mm applicable models or models: Dongfeng Tianlong series, Hercules, Hongyan, Chunlan, Futian, Cummins, Chai, Yuchai, Weichai, business telephone: 0719-8310300 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 138 7281 2565 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;