Contact Us
Contact us for any help regarding HDI PCB
Email: sales1@xdpcba.com
sales4@xdpcba.com
sales@xdpcba.com
Our Business Model
1. Professional OEM/EMS Manufacturing Services
XingDa offers one-stop OEM and EMS electronic manufacturing services, covering the entire process from PCBA to
finished product assembly. Customers only need to provide Gerber documents and a BOM list, and we can complete
the entire chain of delivery from PCB production, component procurement, PCBA assembly to finished smart lock assembly.
2. Personalized ODM Design Services: As a professional manufacturing service provider, we also have strong technical
resources. Relying on long-term, in-depth partnerships with experienced professional smart lock design and solution
development teams, we provide customers with full-chain intelligent lock ODM customization services from concept to finished product.
3. Integrated One-stop Whole product Solution: We support integrated customized services combining smart lock PCBA
and lock housing. We provide housing structural design, mold opening, casing manufacturing, PCBA matching assembly
and finished product testing. Customers can realize complete smart lock procurement in one place, simplifying multi-supplier
coordination and shortening project development cycle.
Smart lock PCB Production Line

Smart lock PCB Application scenarios
1. Smart lock PCBA is widely applied in household access control scenarios, supporting multiple unlocking methods
including fingerprint, passcode, NFC and Bluetooth. It delivers safe and convenient entry management for residential
families, realizing remote access authorization and real-time access record query.
2. Smart lock PCBA serves commercial and hospitality access control scenarios such as hotels, serviced apartments and
office premises. It enables temporary password issuance, centralized access management and tenant authority control,
meeting the standardized and intelligent access management demands of commercial properties.

Smart lock Process Specification
Process Specification
1. PCB Type: Double-layer
2. Minimum Trace Width/Spacing: 0.12mm
3. Main Control Chip: STM32L Low-power MCU / Nordic nRF52840 / BK3432 series
4. Minimum Component Package: 0402
5. Inspection: AOI automated optical inspection + full functional aging test ensuring stable solder joints and reliable operation
6. Environmental Adaptability Processes: Acrylic Conformal Coating + Selective Potting
7. Compatible Modules: Fingerprint recognition unit, NFC, BLE, touch keypad, motor driving circuit