SFFST Sleeper Rubber Boot is a localized elastic encapsulation system specially designed for bi-block non-ballasted tracks and embedded long-sleeper tracks. High-rigidity slab tracks often cause accelerated rail wear and severe high-frequency dynamic vibrations. By fully enveloping the bottom and sides of the sleeper, the SFFST Rubber Boot creates a precision-engineered “soft landing” interface between the sleeper and the concrete bed. Manufactured from high-grade, weather-resistant rubber compounds, it buffers high-frequency impact force, attenuates structure-borne noise, and maintains a tight geometric seal to prevent water and debris infiltration.
Core Advantages
Technical Specifications
Application Scenarios
Suitable for bi-block slab tracks and embedded sleeper tracks across high-speed rail, metro, and urban transit networks, particularly in tunnels, elevated structures, and station tracks where strict electrical isolation and high-frequency vibration damping are required.
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).
