Luoyang Sunrui RPST

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Railway Elastic Fastening System and Composite Sleepers

Luoyang Sunrui RPST

Luoyang Sunrui Rubber & Plastic Science and Technology (Sunrui RPST) manufactures and distributes custom services for noise and vibration control in the rail industry.

The company’s elastic fastening systems and composite products are used in the field of rail transportation throughout Asia, such as for metro, high-speed railway and intercity rail.

Sunrui RPST’s elastic fasteners, anti-vibration slab mats, composite sleepers, and composite emergency platforms are widely used throughout China-based metro services.

Elastic fasteners for vibration reduction and anti-corrugation

The GJ series elastic fastener contains five different variants, and is suitable for vibration and noise control. With a vibration reduction of between 5dB and 12dB, all Sunrui RPST fasteners can be maintained on-site.

Sunrui RPST specialises in noise and vibration control solutions in the rail industry.
Available products include elastic fasteners and sleepers.
Sunrui's solutions are implemented in metro networks across China.
Siutated in Luoyang National New & High Tech Industry Development Zone, Luoyang Sunrui RPST owns workshops spread across an 80,000m² area.
The GJ-3 elastic fastener is one of the most popular rail vibration control solutions in China.
The GJ-4 floating rail fastener can be used for vibration and noise reduction.
Luoyang Sunrui RPST is currently developing the Beijing Metro Line 9 Guogongzhuang depot.
The Sunrui elastic turnout fastening system GJ-6 and FFU composite sleepers have been installed during the company's metro project in Beijing.

Using the GJ-3 fastener and its upgrade GJ-32 can not only control the vibration (5-8dB) but also has an anti-corrugation effect. The corrugation on rail surfaces becomes lighter just after three months. Compared to cologne egg fasteners, the corrugation shows later and lighter.

The GJ-3 elastic fastener is one of the most preferred rail vibration control solutions in China, and has occupied more than half of the elastic fastener market share in mainland China.

Anti-vibration slab mats using mass-spring-system

Featuring studs of textile-reinforced rubber, anti-vibration slab mats are used under the ballast track bed or slab as elastic support in urban rail transit.

Anti-vibration slab mats demonstrate high levels of vibration isolation and fatigue-resistance, as well as simplified installation and maintenance.

Sunrui RPST offers a wide range of anti-vibration solutions for urban rail transit, such as:

  • 5dB~8dB: GJ-5 or GJ-1
  • 8dB~10dB: GJ-3 fastener, GJ-32 fastener or GJ-6 elastic fastener (for turnout)
  • 10dB~12dB: GJ-4
  • 12dB~15dB: Anti-vibration slab mat
  • 15dB~20dB: High-performance damping ballast system for rail transportation

Environment-friendly, lightweight composite sleepers

Fibre-reinforced foamed urethane (FFU) composite sleepers are made of rigid polyurethane reinforced with continuous glass fibres.

As a lightweight, high-strength, environment-friendly product, FFU composite is a cost-effective alternative to timber or concrete.

Synthetic sleepers are widely used on different types of rail transport system, particularly on switches, turnouts, bridges / viaduct and other projects in high-speed railway and metro railway construction.

Sunrui RPST’s composite sleepers have been installed on metro systems since 2009, and the company has a 70% market share in mainland China.

Composite platforms for emergency evacuation

Composite platforms for emergency evacuation are manufactured by phenolic aldehyde resin, with the matrix material and glass fibre as the reinforcing material.

The platform is made of platform grids, beams, supported brackets and handrails, which are installed in the tunnel or overhead railway. In case of fire or emergency, people can escape from the tunnel by the emergence evacuation platform.

The lightweight, high-strength product is highly resistant to fire impact, aging and corrosion, as well as low-smoke density and toxicity levels.

The platform can also be used on offshore oil platform, pedestrian passageways, ship decks, in coal mining scenarios and other emergency escape routes.

About Luoyang

Approved as a ‘high-tech enterprise’, Sunrui RPST has a noise and vibration reduction engineering centre in Henan province, and is certified according to ISO 9001 and ISO 14001.

Located in Luoyang National New & High Tech Industry Development Zone, Luoyang Sunrui RPST owns workshops with a collective floor area of 80,000m², and more than 150 sets of manufacturing equipment.

With more than 300 employees, Luoyang Sunrui RPST has established a strong research team and a state-of-the-art laboratory for railway noise and vibration control. With high-scientific innovation capacity and research facilities, the company has undertaken several important state R&D projects.

By the end of 2015, Sunrui RPST has achieved nearly 119 patents, including 34 invention patents.

Projects

  • Chengdu Metro Project

    China is midway through a highly ambitious project to build an all-new metro system in Chengdu, the country's tenth largest city.

  • Hangzhou Metro, Zhejiang

    Hangzhou, the capital city of Zhejiang Province, is the tenth most populous city in the Republic of China with an estimated population of 8.7 million (2010) citizens.

  • Fuzhou Metro

    Fuzhou Metro is a new rapid rail transit system under construction in the city of Fuzhou, the capital of Fujian province, China.

  • Xi’an Metro, Shaanxi

    Xi’an Metro is a rapid transit system being developed in the city of Xi’an, Shaanxi Province, China. It currently features two lines connecting 36 stations and is expected to span over 251.8km in length upon completion.

  • Guangzhou Metro

    Guangzhou Metro is a light rail transit system in the city of Guanghzou (formerly known as Canton) in China. It is the fourth metro system to be introduced in Mainland China.

  • Shenzhen Metro, Rapid Transit System, China

    The rapid transit system in Shenzhen city was inaugurated in December 2004 and currently has five lines, with 131 stations. The system provides an economical and fast means of transport when compared to buses and taxi transport systems.

  • Tianjin Metro

    Tianjin Metro is a rapid transit network serving the city of Tianjin, China. Tianjin was the second city in the history of China to operate a subway metro.

  • Nanjing Dashengguan Yangtze River Bridge

    The Nanjing Dashengguan Yangtze River Bridge was constructed to complement the Beijing-Shanghai High-Speed Line. The bridge is located within the Jiangsu Province, in the upper reach of the Yangtze River, about 20km from the Third Nanjing Yangtze River Bridge. Construction began in 2006 and was finished in 2010, with the bridge becoming operational in January 2011.

  • Chongqing Metro, China

    Chongqing Metro or Chongqing Rail Transit is a 75km rapid-transit system, serving the city of Chongqing in China. The metro commenced operations in 2005 and serves the needs of nearly 32 million people.

  • Suzhou Metro Rail System, Jiangsu

    Suzhou Metro is a rapid transit metro rail system serving the city of Suzhou in the province of Jiangsu in China. The system will be 140km long when completed.

  • Nanjing Metro

    Nanjing is the second-largest city in China with a population of more than 5.2 million. It is located just over a kilo

  • Shenyang Metro

    The Government of Shenyang is constructing the biggest subway project in Liaoning province, north-east China. The projec

  • Shanghai Metro

    The economic boom in Shanghai, which has a population of around 19 million and growing (U.N. estimates 23.4 million by 2

Address
Luoyang Sunrui Rubber & Plastic Science and Technology Co. Ltd
40 Binhe Road
Luoyang National New & High Tech Industry Development Zone
471003 Luoyang
China

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