Huaxing PCBA PCB manufacturing insights and articles

Insights & Resources

Technical articles on PCB design, manufacturing, and industry best practices. Written by our engineering team.

Intrinsically Safe PCB Design for Hazardous Locations

Intrinsically Safe PCB Design for Hazardous Locations

Complete guide to intrinsically safe PCB design for ATEX Zone 0/1/2, IECEx, and NFPA 70 hazardous locations. Covers isolation barriers, creepage distances, enca

PCB Incoterms & Shipping from China — FOB vs EXW…

PCB Incoterms & Shipping from China — FOB vs EXW…

Complete guide to PCB shipping Incoterms from China: FOB vs EXW vs DDP explained with real landed cost examples. Freight forwarder selection, customs clearance,

PCB Inspection Methods — AOI vs X-Ray vs SPI for…

PCB Inspection Methods — AOI vs X-Ray vs SPI for…

Compare Automated Optical Inspection (AOI), X-Ray, and Solder Paste Inspection (SPI) for PCB assembly quality control. Coverage rates, defect types caught, cost

PCB Incoming Quality Inspection Guide — Visual…

PCB Incoming Quality Inspection Guide — Visual…

Complete buyer's guide to PCB incoming quality inspection. Visual checkpoints, IPC-A-600 Class 2/3 acceptance criteria, 11 common defects with photos, and how t

PCB Import from China to the US & EU — 2026…

PCB Import from China to the US & EU — 2026…

Complete guide to PCB import duties, tariffs, HTS codes, and landed cost calculation for US and EU buyers importing PCBs and PCBA from China in 2026. Includes d

PCBA IC Programming Service — In-Circuit vs Offline…

PCBA IC Programming Service — In-Circuit vs Offline…

IC programming in PCB assembly explained: in-circuit vs offline programming, supported device families, data security, test coverage, and how to specify program

PCB for Hydrogen Fuel Cell & Green Hydrogen Systems

PCB for Hydrogen Fuel Cell & Green Hydrogen Systems

PCB requirements for hydrogen fuel cell power electronics — high-current DC-DC converters, cell voltage monitoring, and stack control systems for PEM electrolyz

PCB Halogen-Free Compliance Guide — IEC 61249-2-21, EU…

PCB Halogen-Free Compliance Guide — IEC 61249-2-21, EU…

Halogen-free PCB compliance is now a procurement requirement for EU, Japanese, and major OEM supply chains. Complete guide to IEC 61249-2-21, chlorine/bromine l

PCB Hole Accuracy & Drilling Tolerance — Position,…

PCB Hole Accuracy & Drilling Tolerance — Position,…

Drilled hole size, position accuracy and annular ring requirements explained: IPC-6012 tolerance classes, press-fit implications and how to verify hole quality.

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