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Seismic Reduction And Isolation Technology

LRB( lead rubber bearing) ：LRB-Ⅰ、LRB-Ⅱ

LRB( lead rubber bearing) ：LRB-Ⅰ、LRB-Ⅱ

LNR（linear rubber bearing）：LNR-Ⅰ、LNR-Ⅱ

LNR（linear rubber bearing）：LNR-Ⅰ、LNR-Ⅱ

Building Vibration Isolation Rubber Bearings

Building Vibration Isolation Rubber Bearings

Elastic Sliding Bearing (ESB)

Elastic Sliding Bearing (ESB)

HDR ( high damping rubber)

HDR ( high damping rubber)

Rubber bearing for stair interval earthquake collapse

Rubber bearing for stair interval earthquake collapse

Friction pendulum isolation bearing

Friction pendulum isolation bearing

Metal damper

Metal damper

BRB（buckling restrained brace）

BRB（buckling restrained brace）

Viscous fluid damper

Viscous fluid damper

Viscoleastic damper

Viscoleastic damper

Friction damper

Friction damper

Factory Equipment

Zhejiang Earthquake Prevention Technology Co., Ltd committed to product research and development, technical consultation, structural analysis and design, production, guide installation and replacement. Professional in the field of building seismic isolation products and Earthquake Shock Absorbers products in China. We have a modern industrial manufacturing production base with a total area of more than 10,800 square meters. The company has more than 50 sets of production equipment. Production capacity: more than 10,000 sets of rubber isolation bearings per year.

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RECENT NEWS

  • Metal Damper Design Gains Attention in Seismic Retrofit

    Seismic protection is increasingly shifting from simply strengthening structural members toward controlling how earthquake energy moves through a buil...

    Sep 11,2026

  • Viscous Friction Damper Performance Depends on Fluid Behavior

    A viscous friction damper does its work quietly compared with dampers that rely on yielding metal or friction plates — there is no visible deformation...

    Sep 04,2026

  • Friction Pendulum Isolation Bearing Has Three Structural Forms

    Not every seismic isolation product on the market relies on rubber to absorb ground motion, and this category proves the point directly through geomet...

    Aug 28,2026

  • Lead and Friction Share the Load in Metal Composite Damper

    A pure metal damper dissipates energy well but does not return to its original position on its own once the shaking stops, which leaves residual struc...

    Aug 21,2026

Industry knowledge

Introduction of Seismic reduction and isolation

Seismic reduction and isolation are two important strategies that are used to protect buildings and other structures from the damaging effects of earthquakes.
Seismic reduction refers to measures taken to reduce the seismic demand on a building or structure. This can include the use of seismic-resistant building materials and construction methods, such as the use of reinforced concrete and steel, or the installation of seismic isolation systems.
Seismic isolation, on the other hand, refers to the use of isolation systems that physically separate a building or structure from the ground and absorb the energy of an earthquake. These systems typically consist of flexible bearings, such as rubber or lead, that is placed between the building's foundation and the ground.
When a seismic wave passes through the ground, the flexible bearings in the isolation system compress and deform, reducing the amount of energy transmitted to the building. This can significantly reduce the amount of damage that a building sustains during an earthquake, and can also prevent collapse in extreme cases.

Shock Absorption and Isolation Products: 

Springs: Springs are one of the simplest and most widely used types of shock absorbers. They are made of a flexible material that compresses and expands in response to impact, absorbing the energy of the shock and reducing its effect.
Dampers: Dampers are another type of shock absorber, often used in automotive and industrial applications. They work by using hydraulic or pneumatic fluid to convert the energy of a shock into heat, reducing its impact.
Mounts: Mounts are used to isolating a component from the surrounding environment and prevent the transfer of shock and vibration. They come in various shapes and sizes and can be made from a variety of materials including rubber, foam, and metal.
Shock-absorbing cases: Shock-absorbing cases are used to protect delicate electronics, such as smartphones and laptops, from damage due to impact. They are often made from a combination of materials, including rubber, plastic, and foam, to provide a layer of protection and reduce the impact of the shock.
Vibration isolation tables: Vibration isolation tables are used in a wide range of applications, including laboratory testing, industrial production, and scientific research. They are designed to minimize the transfer of vibrations from the surrounding environment to the equipment or materials being tested.