1.China: Complies with standard TB/T 3395.4-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
Components of single seat
| No. | Item | Specification | Quantity/Pcs | Material | |
| 1 | Tension Clamp | W1 | 2 | 60Si2Mn/Other Hot-Rolled Spring Steel | |
| X2 | 2 | ||||
| 2 | T Bolt | T1 | 2 | Q235-A | |
| 3 | Nut | M24 | 2 | Q235-A | |
| 4 | Flat Washer | – | 2 | Q235-A | |
| 5 | Insulating Block | WJ7-Ⅰ | 2 | PA66+30%GF | |
| 6 | Rail Pad | Rubber Pad | WJ7-A | 1 | Rubber |
| WJ7-B | 1 | ||||
| Compound Pad | CWJ7-A | 1 | Rubber+Stainless Steel Pad | ||
| CWJ7-B | 1 | ||||
| 7 | Rail Gauge Baffle | WJ7 | 1 | QT 450-10 | |
| 8 | Insulation Buffer PAD | WJ7-6 | 1 | Rubber and Plastics | |
| 9 | Anchor Bolt | B1 | 2 | Q235-A | |
| 10 | Heavy Spring Washer | D30 | 2 | 65Mn | |
| 11 | Flat Washer Block | WJ7 | 2 | QT 450-10 | |
| 12 | Embedded Dowel | D2 | 2 | PA66+30%GF | |
| 13 | Rail Height Adjustment Pad | WJ7-X | – | HDPE | |
| 14 | Rail Tie Pad Height Adjustment Pad | WJ7-X | – | Rubber and Plastics | |
SAFE Rail Fastening System (Zhejiang) Co., Ltd. is a leading manufacturer of rail fastening systems, with a total investment exceeding 50 million RMB and a factory area of over 50,000 ㎡. Strategically located in Zhejiang Province—China’s manufacturing hub—we specialize in providing high-quality rail fastening solutions for global markets.
The company is situated in Zhejiang Province, the heart of China’s manufacturing sector. This strategic location enables efficient access to supply chains, logistics networks, and industrial resources, supporting timely delivery of high-quality products to domestic and international customers.
Our annual output of rail fastening systems reaches 5 million sets, meeting large-scale project demands.
We operate an automated 3D warehouse with a storage capacity of 30,000 tons, ensuring efficient inventory management and product storage.
Our specialized production lines and laboratories are equipped with over 100 sets of advanced international automation and testing equipment. This ensures that every product adheres to the highest industry standards.
We comply with international standards including ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (occupational health and safety management).
