Our Business Model
XingDa provide flexible OEM, EMS and full one-stop turnkey services for fire alarm PCBA and finished fire safety devices. Our
service chain covers schematic design, PCB layout, component sourcing, SMT assembly, functional testing, certification support
and finished product packaging.
We support multiple cooperation modes:
1. EMS Service: PCBA manufacturing based on customers’ drawings and specifications.
2. OEM Service: Circuit customization, housing branding and firmware adjustment on our mature hardware platform.
3. One-stop Turnkey Solution: Complete service from product development to mass production of finished fire alarm products.
We serve global customers including smart home brands, building security suppliers and fire safety equipment enterprises, and
can customize solutions to meet different regional certification and market requirements.
Fire Alarm PCBA Application Scenarios
Fire alarm PCBA serves as the core control unit for fire safety equipment, widely deployed across residential, commercial
and public‑use premises for 24‑hour fire risk monitoring.
1. Residential Houses & Apartments: Applied in standalone household smoke‑heat composite fire detectors. It collects
smoke and temperature data, triggers local sound‑light alarm for home occupants, and supports remote push alerts for
family safety monitoring.
2. Homestays & Rental Accommodations: Built into network‑connected fire alarm terminals. Real‑time fire signals can
be uploaded to management platforms, helping property managers grasp on‑site safety conditions of multiple rental units.
3. Office & Commercial Buildings: Works with wired fire alarm control panels. Multiple PCBA units transmit detection data
to the central fire‑control host, realizing zone‑based fire monitoring across different office floors.
4. Retail Shops & Small Stores: Integrated into compact fire alarm devices. It provides on‑site early warning for small business
premises, responding quickly to fire risks caused by electrical equipment overload.
5. Public Facilities: Used in fire detection modules for dormitories, community service rooms and storage rooms. Supports
fault self‑check and signal linkage with emergency lighting and exhaust systems to assist safe evacuation.
6. Industrial Small‑scale Warehouses: Suitable for low‑power fire‑detection assemblies in light‑duty storage areas. Stable
circuit performance adapts to complex indoor environments and reduces misreporting caused by electromagnetic interference.
In summary, fire alarm PCBA covers diversified fire‑safety demands from individual households to multi‑unit commercial
sites. As the electronic brain of fire detectors, it delivers reliable sensing, alarm triggering and signal transmission for
various application environments.

Fire Alarm PCBA PCBA Process
1. PCB Type: 2 Layer FR4 Rigid Printed Circuit Board
2. Copper Weight: 1oz finished copper
3. Power Supply Range: 24V DC & 220V AC, 5060Hz
4. Safety Certification: CE Certified, Compliant with EN54 Fireprotection Standard
5. Supported Peripherals: Firefighting pump, fireresistant door, smoke ventilation & exhaust fan linkage control