Tianjin Huaxing Chengda Electronic Technology Co., Ltd.

**End-to-End Solutions:** We handle every step – **component sourcing** (verified suppliers, BOM optimization), **PCB fabrication**, **SMT/THT assembly**, **conformal coating**, and **rigorous testing** (AOI, X-ray, functional).  

**Key Advantages:**  

✓ **Rapid Prototyping:** 24-72hr turnarounds  

✓ **Volume Scalability:** 10 to 100,000+ units  

✓ **Zero-Hassle Sourcing:** Manage shortages & obsolescence  

✓ **DFM/DFA Analysis:** Free design optimization  

✓ **Certified Quality:** ISO 9001, IPC-A-610 Class 3  

**Supported Tech:**  

• BGAs (0.2mm pitch), µBGAs, QFNs  

• Flex/Rigid-Flex, HDI, 40-layer boards  

• RoHS, lead-free, and specialty finishes  

**Global Reach:** Door-to-door logistics to NA/EU/APAC.  

*Request an instant quote or upload designs for review!*

End-to-End PCB Design Services

The company provides complete PCB design solutions with industry-compliant processes and production-ready deliverables.

Core Capabilities

• High-Speed Digital: DDR4/5, PCIe Gen4/5, 25G+ routing

• RF/Analog: Impedance control, EMI shielding, antenna tuning

• HDI/Microvia: Blind/buried vias, 0.1 mm trace/spacing

• Flex/Rigid-Flex: Dynamic bend simulations

Engineering Support

• Schematic capture & library management

• SI/PI analysis (HyperLynx, Sigrity)

• Thermal modeling, DFM/DFA (IPC-2581)

Industries Served

• Automotive (AEC-Q100)

• Medical (ISO 13485)

• Aerospace (MIL-STD-883)

Deliverables

• Gerber/ODB++ files

• 3D STEP models

• Assembly drawings & IPC netlists

The company specializes in the recovery of obsolete or unsupported PCB designs strictly for legitimate purposes such as repair, documentation, and legacy system upgrades. All projects are conducted under strict non-disclosure agreements (NDAs) to ensure confidentiality and compliance.

Technical Capabilities

• Layer-by-Layer Scanning: High-resolution imaging combined with material analysis to capture all board details.

• Netlist Extraction: Precise trace routing and component mapping.

• Schematic Recreation: Reconstruction of signal paths to generate accurate schematics.

• Bill of Materials (BOM) Recreation: Identification of all components, including obsolete or hard-to-source parts.

• Gerber/ODB++ Generation: Delivery of production-ready design files for manufacturing.

Primary Applications

• Maintenance of legacy military and industrial equipment.

• Support for obsolete medical devices.

• Competitive analysis in patent-cleared scenarios.

• Recovery of lost design files for critical systems.

Quality Assurance

• Compliance with IPC-2581 and IPC-2611 standards.

• Cross-verification through functional testing.

• Optional generation of 3D models to ensure mechanical fit and integration.

For confidentiality assessments, interested parties are encouraged to provide board photographs.

Comprehensive PCB Testing Services

The company offers end-to-end PCB testing and validation solutions to ensure performance, reliability, and compliance across industries.

Test Capabilities

• Electrical Testing: Flying probe, ICT, boundary scan

• Functional Validation: Custom fixtures and software

• Environmental Stress Testing: Thermal cycling (-40°C to +125°C), humidity, vibration

• Signal Integrity Analysis: TDR, eye diagram, jitter

• Failure Analysis: X-ray, microsectioning, SEM/EDS

Certified Compliance

• IPC-9252, MIL-STD-883, IATF 16949, ISO 13485

Application Focus

• Aerospace, medical, and automotive boards

• High-speed digital (25G+), RF/wireless devices

Deliverables
Detailed test reports with corrective action recommendations.