FAQ

FAQ

Professional R&D and manufacturer of air defense alarms and fire rescue equipment

SIRENS / WARNING ALARMS

What types of sirens do you manufacture?

We offer a wide range of sirens, including hand-operating sirens, motor sirens, electronic sirens, and air-raid sirens. Our products are widely used in civil defense, industrial safety, fire stations, and emergency warning systems.

What is the sound range of your sirens?

Depending on the model, our sirens can cover a range from 500 meters to over 2 kilometers in open areas.

Are your sirens weather-resistant?

Yes. Our outdoor sirens are made with weatherproof materials and are designed to operate reliably in harsh environments, including extreme temperatures and humidity.

Can you customize sirens with different voltages or mounting styles?

Absolutely. We provide customized solutions based on your voltage, power supply, and installation needs.

FIRE SMOKE EXHAUST FANS

What are smoke exhaust fans used for?

Smoke exhaust fans are designed to extract smoke and heat during fires, ensuring safe evacuation routes and minimizing fire damage in buildings, factories, and tunnels.

Are your fans certified for fire safety standards?

Yes, our fans comply with international fire safety standards and are tested for high-temperature resistance and reliable operation during emergencies.

Do you offer both axial and centrifugal types?

Yes, we manufacture both axial and centrifugal fire smoke exhaust fans, available in various sizes and airflow capacities.

Can your fans be used for daily ventilation as well?

Yes. Many of our models are designed for dual-purpose use—fire emergency ventilation and daily air circulation.

LIFE-SAVING AIR CUSHIONS

What is a life-saving air cushion used for?

Life-saving air cushions are used by fire departments and emergency services to safely catch individuals jumping from high-rise buildings during rescue operations.

How long does it take to deploy the air cushion?

Our air cushions are fast-deployable and can be fully inflated within 44-56 seconds using the integrated blower system.

What materials are your air cushions made from?

They are made of high-strength, flame-retardant, and puncture-resistant fabrics to ensure safety and durability.

What heights are the cushions suitable for?

Depending on the model, our air cushions are suitable for rescue operations from heights up to 16 meters.

ORDERS & SUPPORT

Do you offer OEM or ODM services?

Yes, we welcome both OEM and ODM orders. Our experienced R&D team can support product design, branding, and packaging based on your requirements.

What is your typical lead time?

Standard products usually ship within 7–15 working days. For customized items, lead time may vary depending on the complexity and order quantity.

Do you offer international shipping?

Yes, we ship worldwide. We work with reliable logistics partners to ensure safe and timely delivery to your destination.

How can I get technical support or after-sales service?

Our team provides 24/7 support via email, phone, or video call. We also offer user manuals, installation guides, and online training if neede
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