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Building seismic isolation bearings are the core components of building seismic resistance systems. Their working principle is to reduce the seismic force on the upper structure by absorbing and consuming seismic energy through material deformation through the seismic isolation layer set at the base of the building or at a specific location. The device is composed of multiple layers of rubber and steel plates alternately stacked, with the characteristics of high vertical stiffness and low horizontal stiffness, which can allow controllable horizontal displacement while maintaining the stable load-bearing capacity of the building.

Building inflatable core molds have the advantages of light weight, reusability, and high construction efficiency. They are widely used in bridge engineering: prefabrication and cast-in-place of prestressed hollow slab beams and box beams for highways/railways, especially suitable for beam construction with a span of 5-40 meters.

Building structure: hollow floor slabs of high-rise buildings and hollow parts of prestressed roof trusses of industrial plants.

Water conservancy and municipal engineering: construction of annular cavities of drainage culverts and integrated pipe corridors, and hollow structure construction of pile foundations of docks and piers.

In large-span space steel structure projects, sliding tensile-resistant spherical steel bearings are an important connection and load-bearing device, whose design combines multi-directional displacement adaptability, tensile resistance and high load-bearing characteristics.

Structural bearings are a key element of any structure because they connect the upper structure and the lower structure and transmit vertical and horizontal loads while allowing limited rotation around any horizontal axis.

Bridge expansion joint is an important functional device in bridge structure, mainly used to adjust the expansion and contraction deformation of bridge caused by temperature change, load, concrete shrinkage creep and other factors, to avoid damage to bridge structure due to stress accumulation. It is used in bridge joints: joints between abutments and beam ends, beam ends and beam ends; road connection sections: transition area between bridge and roadbed, to alleviate the impact of uneven settlement.

Rubber waterstop is a waterproof material widely used in construction projects. It fills concrete joints or structural gaps to prevent water, moisture or other liquids from penetrating. It is mainly used to prevent water or other liquids from leaking, such as deformation joints and construction joints in basements and underground garages.