In 2021, Anyang Railway Equipment Co., Ltd. provided the project with 13,746 sets of DJK5-4 track fastening systems, 7,980 sets of DJK5-1 type track fastener systems, 7,980 sets of DJK5-1 track fastening systems, and 132 sets of Type-I clip separated rail fastening systems, 20242 sets of elastic Type-I railway fastening system to the Zhengzhou-Gongyi Municipal Railway.