Type-III Rail Clip Fastening System for Zhengzhou Metro Line 3
In 2021, Anyang Railway Equipment Co., Ltd. provided 38,464 sets of Type-III rail clip fastening systems to the second phase of Zhengzhou Metro Line 3. Each set of Type-III rail clip fastening contains rail clips, iron pads, rail clamps, anchor bolts, washers, rubber pads, Insulating gauge block, sockets, etc.
Zhengzhou Metro Line 3 is the sixth subway line in operation in Zhengzhou City, Henan Province, China.
The second phase of Zhengzhou Metro Line 3 locates in Zhengzhou Economic and Technological Development Zone. The line starts from Hanghai East Road Station (not included) at the end of the first phase of the project, and ends at Jingnan 15th Road Station, along Jingkai 17th Street, Jingkai 15th Street extends southward, with a total length of 6.305 km, all of which are underground lines, with 4 stations, all of which are underground stations, with a speed target of 80km/h. The construction period of the second phase of Zhengzhou Rail Transit Line 3 is from 2019 to 2022, with a total construction period of 3 years.
In 2021, Anyang Railway Equipment Co., Ltd. provided 38,464 sets of Type-III rail clip fastening system to the second phase of Zhengzhou Metro Line 3. Each set of Type-III rail clip fastening system contains the following products:
| Type | No. | Product | Specification | Quantity | Material |
| Type-III rail clip fastening system(Clip Divided type) | 1 | Iron pad | 1 | QT450-10 | |
| 2 | Adjustable clamp | 2 | QT450-10 | ||
| 3 | Rail clip | III型 | 2 | 60Si2Mn | |
| 4 | Anchor bolt | 30*150 | 2 | 45# | |
| 5 | Flat washer | 30 | 2 | Q235-A | |
| 6 | Heavy-duty spring washer | 30 | 2 | 65Mn | |
| 7 | Rubber pad under rail | 1 | polyester | ||
| 8 | Rubber pad under iron pad | 1 | polyester | ||
| 9 | Insulating gauge block | 8#.10# | 2 | PA66 | |
| 10 | Nylon sleeve | 2 | PA66 |
