太原重工：宽体车产品是太重集团控股子公司山西太重重型运输装备有限公司负责生产制造

Group 1 - The wide-body mining trucks are produced by Shanxi Taiyong Heavy Transport Equipment Co., Ltd., a subsidiary controlled by Taiyuan Heavy Industry Group [1] - Taiyuan Heavy Industry (600169.SH) confirmed on the investor interaction platform that the wide-body truck products are associated with the company [1]