Hangzhou Jiangnan Spring Co., Ltd.
Hangzhou Jiangnan Spring Co., Ltd.
Ultra-thin conductive spring contacts—new stamping product now available, exclusively for energy storage battery modules.

Ultra-thin conductive spring contacts—new stamping product now available, exclusively for energy storage battery modules.

Eco-friendly, oil-free, self-lubricating stamped spring‑clip assembly, replacing traditional galvanized hardware.

Eco-friendly, oil-free, self-lubricating stamped spring‑clip assembly, replacing traditional galvanized hardware.

Composite-material spring technology has been successfully commercialized, enabling automakers to achieve weight reductions of up to 85% through lightweight design.

Composite-material spring technology has been successfully commercialized, enabling automakers to achieve weight reductions of up to 85% through lightweight design.

The all-new high-temperature‑resistant, custom‑shaped suspension spring has entered mass production, compatible with heavy trucks and construction machinery.

The all-new high-temperature‑resistant, custom‑shaped suspension spring has entered mass production, compatible with heavy trucks and construction machinery.

Applications of Constant-Force Springs

Applications of Constant-Force Springs

Industry expertise

Industry expertise

Quality Control

Quality Control

Non-standard customization

Non-standard customization

Non-standard customization

Non-standard customization

Spring torque testing machine

Spring torque testing machine

< 123 > 跳转到 页