The service area and electromechanical engineering are undertaken by Guangdong Nanyue Logistics Co., Ltd.
Guangdong Expressway Co., Ltd., Guangdong Road and Bridge Construction and Development Company, Guangdong Communications Industry Investment Company.
China Luqiao (Group) Company undertakes the fourth contract.
Jiangsu Communication Engineering Co., Ltd. undertook the ninth contract section.
Dacheng Engineering Co., Ltd. undertook the 18 contract section.