Xuzhou Construction Machinery Group Co.,Ltd.(XCMG);

China Railway Bridge Bureau;

China Railway First Bureau (Xi'an) Co. , Ltd.;

China Railway Third Bureau East China Construction Co., Ltd.;

China Railway First Bureau Construction Group Third Branch;

China Railway Third Bureau Construction Group Third Branch;

Fujian Road and Bridge Construction Co., Ltd.;

Jiangsu Highway Engineering Maintenance Co.,Ltd;

Jiangxi Province Highway Bridge Co., Ltd.;

Shanxi Province Expressway Group Co., Ltd.;

Anhui Road and Bridge Engineering Group Co., Ltd.;

Henan Gaoyuan Highway Maintenance Technology Co., Ltd.;

Maintenance Branch of Shanxi Communications Holding Group Co., Ltd.;

Nanjing West Road & Bridge Group Co., Ltd.;

Shenyang Highway Construction Co., Ltd. Anhui Branch;

Shandong Yatai Machinery Co., Ltd.