ZH- 1 Bid Section: China Railway 16th Bureau Group Co., Ltd. and China Railway Electrification Bureau Third Engineering Company.
ZH-2 Bid: China Railway 21st Bureau Group Co., Ltd.
ZH-3 Bid: China Railway 10th Bureau Group Co., Ltd.
Proposed winning bidder in supervision bid section:
JL- 1 Contract: China Railway Jin 'an Engineering Construction Supervision Co., Ltd.
JL-2 Bid Section: Shanghai Tianyou Engineering Consulting Co., Ltd.
JL-3 Bid Section: Shandong Jitie Engineering Construction Supervision Co., Ltd.