PCBA Manufacturers & Exporter

Precision Electronic Assembly, OEM/ODM Motherboard Manufacturing, and Global Supply Chain Integration

Featured Motherboards & PCB Assemblies - Selection Part I
Motherboard Original Logic Board for iMac 27

Motherboard Original Logic Board for iMac 27" I5 3ghz GDDR 2019 Year

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N100 Motherboard AS N5095

N100 Motherboard AS N5095 Server Mini Computer ITX Motherboard Quad Core 12SATA 2.5G/gigabit Network Port Dual M.2

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circuit board 220v single board ZX7

circuit board 220v single board ZX7-200/250 welding machine motherboard 3.2 welding rod long time use

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Inverter welding machine ZX7-315

wholesale Inverter welding machine ZX7-315-400IGBT driver board Inverter board

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OEM/ODM Copper Aluminum Composite

OEM/ODM Copper Aluminum Composite Material Original Brand New ultra Micro H11DSI-NT Dual Channel Server Motherboard

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Computer Motherboard H81M-G

Computer Motherboard H81M-G Desktop Motherboard for Office Computers Suitable for Core CPU Processor Heat Sink Kit

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Computer Motherboard LGA1700 H610

Computer Motherboard LGA1700 Processor H610 Chipset 2 DDR4 64GB PCI for H610 Computer Motherboard

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Computer Motherboard LGA1700 H610 Chipset

Computer Motherboard LGA1700 Processor H610 Chipset 2 * DDR4 for H610 Core Desktop Motherboard Computer Motherboard

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The Strategic Mandate of Global PCBA Procurement

In the rapidly evolving electronics sector, finding a reliable printed circuit board assembly (PCBA) manufacturer and exporter is more than just transactional sourcing—it is a critical alignment of engineering precision, strict quality control (EEAT compliance), and agile logistics. Global companies demand high yield rates, comprehensive test protocols, and robust component traceability.

DFM (Design for Manufacturability)

Optimizing circuit trace routing, component clearances, and thermal thermal reliefs prior to tooling minimizes assembly failures, increases yield rates, and slashes total unit production costs.

Global Quality Compliance

Meeting stringent standards like IPC-A-610 Class II/III, RoHS directive conformance, CE certifications, and UL marking safety ensures ready entry into highly regulated consumer and enterprise markets.

Supply Chain Traceability

Integrating tracking systems down to individual wafer and passive component batches shields developers from counterfeit silicon, improving reliability across critical long-term applications.

About Velmix Technology Co., Ltd.

Velmix Technology Co., Ltd. is a professional high-density computer component manufacturer and exporter based in Shenzhen, China. Specializing in the research, development, assembly, and global distribution of server boards, consumer motherboards, control PCBA, and high-performance DRAM memory solutions. Since 2017, we have focused on supplying robust, fast computing hardware to international clients.

15+
Years Industry Experience
$18.6M
Annual Export Revenue (USD)
84
R&D Engineers
986+
Supply Chain Partners

Operating from our optimized manufacturing and design offices in Shenzhen, Velmix pairs advanced manufacturing technology with strict validation testing to deliver components that meet international criteria. Our dedicated R&D team continuously designs custom layouts for clients in industrial automation, enterprise cloud systems, and office desktop setups. Today, Velmix services commercial customers in over 40 countries, tailoring solutions with flexible OEM, ODM, and customized branding terms.

Company Overview & Technical Capabilities

Item Information
Company Name Velmix Technology Co., Ltd.
Established 2017
Facility Area 368㎡
Export Experience 8 Years
Quality Control 100% Full Inspection Before Shipment
Product Inspection Methods Signal Integrity Test, Burn-in Test, Compatibility Test, Functional Test & Random Sampling
QC Staff 56 Employees
Business Type Manufacturer & Exporter
Main Markets North America, Europe, Southeast Asia, Middle East & South America
Main Customer Types Brand Owners, OEM Manufacturers, System Integrators, Distributors & Wholesalers
R&D Capability Independent Product Design, PCB Development & Firmware Optimization
Customization Options OEM, ODM, Private Label, Customized Capacity, Heat Spreader, PCB Color & Packaging
New Products Launched Last Year 138 Models

Macro Industry PCBA Solutions & Applications

High-performance electronics demand assembly houses that understand the unique functional strains of different application environments. Velmix engineers PCBA and motherboards tailored to specific vertical performance demands.

Enterprise Servers

Data center operations require multi-layer motherboards featuring advanced layout routing to minimize crosstalk. Supporting high-throughput lanes, dual-channel CPU architectures (like the H11DSI-NT platform), and copper-aluminum composite thermal solutions, these assemblies run continuously in thermal chambers without signal degradation.

Industrial Electronics

Heavy machinery, including high-amperage welding units (such as ZX7-200/250 and ZX7-315 driver setups), requires PCBAs that tolerate voltage swings and thermal expansion. Velmix utilizes thickened copper traces, thermal isolation slotting, and robust IGBT driver board architectures to ensure components operate reliably under continuous industrial cycles.

Desktop & OEM Systems

For office and gaming PC integrations, Velmix builds compatible system boards across various chipsets (including B760M-G, H610, H510, and legacy B250 platforms). These motherboards undergo rigorous layout optimization to support multi-phase power delivery (VRM), modern USB 3.0/SATA3 connectivity, and high-frequency DDR4 memory integration.

Technical Roadmap & Future Outlook

As processors shrink and bus speeds climb, electronic assemblies must meet increasingly tight engineering tolerances. Velmix invests in key engineering developments to support complex product requirements:

1. Substrate & Routing Technology

High-frequency layouts like DDR5 and PCIe Gen 5 demand strict impedance control to maintain signal integrity. We utilize multi-layer HDI (High-Density Interconnect) fabrication methods, micro-via geometries, and low-loss dielectric layers to minimize signal distortion, reflection, and electromagnetic interference (EMI).

2. Thermal and Heat Dissipation Solutions

As thermal density rises in multi-core CPU and server boards, traditional cooling methods can fall short. We incorporate specialized copper-aluminum composite substrates and strategically routed thermal vias to draw heat away from processor silicon. This keeps core components running at safe temperatures during extended operation.

3. Advanced SMT Assembly and QA Protocols

With high-density chip packages like BGA (Ball Grid Array) and small passive footprints, precise solder deposition and component placement are vital. Our surface-mount lines are supported by 3D Solder Paste Inspection (SPI) and Automated Optical Inspection (AOI) to detect and correct alignment or bridge defects before reflow soldering.

Testing Stage Validation Objective Methodology Applied
Pre-Production Inspection Prevent placement of wrong or damaged parts Incoming Quality Control (IQC), passive LCR measurement
Post-Reflow Solder Analysis Detect dry solder joints, bridging, and cold solder joints In-line AOI inspection and X-Ray analysis for BGA footprints
Signal Integrity Test Verify trace impedance on high-speed lines Time-Domain Reflectometry (TDR) testing
Thermal Burn-In Testing Screen for early component failures Continuous system stress testing inside elevated thermal chambers
System Compatibility Validation Ensure trouble-free operation with target operating systems and hardware Real-world platform cross-checks and multi-OS installation sweeps

Localized Compliance & Global Export Infrastructure

Exporting sensitive electronic assemblies requires a thorough understanding of localized importing rules, product certifications, and environmental directives across international markets.

Environmental Directives

All Velmix PCBA lines comply with the RoHS and REACH standards. This limits toxic materials (such as lead and mercury) in the components, ensuring safe import and consumer use within the European Union and North America.

Electromagnetic Compliance

Our board designs undergo rigorous testing to ensure CE and FCC compliance, verifying that EMI emissions remain within acceptable limits for home, office, and industrial environments.

Logistics & Customs Clearing

With 8 years of export experience, our logistics team manages shipping documentation and customs clearance. This helps minimize delays for shipments headed to North America, Europe, Southeast Asia, the Middle East, and South America.

Velmix Production & Assembly Facilities

Inside our manufacturing and design facility in Shenzhen, we utilize modern SMT equipment and precision inspection tools to produce stable components for global brands, distributors, and system integrators.

Velmix SMT Assembly Line
Precision Reflow Oven Line
AOI Optical Inspection Area
QA Calibration Lab
Packaging & Warehouse Division

Frequently Asked Questions (FAQ)

Find quick answers to common questions about our technical capabilities, manufacturing lead times, and global shipping policies.

What formats do you require for custom design files?
For custom OEM/ODM motherboard projects, we require Gerber files (RS-274X format), a Bill of Materials (BOM) detailing package sizes and manufacturer part numbers, and centroid placement data for automatic SMT assembly.
How does Velmix guarantee component quality and authenticity?
We purchase directly from authorized component distributors and original semiconductor manufacturers. Our 56 QC specialists perform inspections at each step, and every board undergoes 100% functional testing, signal verification, and burn-in testing before packaging.
What is your typical manufacturing lead time for export orders?
Lead times depend on design complexity and component availability. Standard PCBA batches usually ship within 2 to 4 weeks once we confirm design files and procure components. Larger custom OEM/ODM motherboard projects can take 6 to 8 weeks.
Do your assemblies support specialized industrial environments?
Yes, our industrial boards, like our ZX7 welder driver assemblies, are built with heavy-duty copper weights, specialized conformal coating options to resist dust and moisture, and thermal isolation cutouts to handle high heat levels.
Do you offer custom branding and private labeling?
Yes. We offer custom logo placement on the silkscreen layer, personalized heat spreaders, custom BIOS screens, and tailored retail packaging to support our global distributors and brand partners.
Featured Motherboards & PCB Assemblies - Selection Part II
H311M-G+i3-9100F Motherboard CPU

Spot Motherboard Desktop Computer H311M-G+i3-9100F Motherboard CPU DDR4 Desktop Computer H311M-G D4 Motherboard

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Computer Motherboard H311M-G I5 6500

Computer Motherboard H311M-G I5 6500 Xianglong 400 Battle Edition with Nuclear Display Desktop H311M-G D4 Motherboard

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Computer Motherboard H311M-G I5 6500 8G

Computer Motherboard H311M-G I5 6500 2 Tube Xianglong 200 South China 8G 2666 Memory PU Processor Heat Sink 1151 Pin

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H510M-A+i5-10400F Computer Motherboard

H510M-A+i5-10400F Computer Motherboard Desktop Computer Used for Core Processor Heat Sink Gaming Office Board U Set

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Computer Motherboard H510M-A I5 10400F

Computer Motherboard H510M-A I5 10400F DDR4 Xianglong 400 Battle Edition for Core Motherboard Desktop Computers

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B760M-G Desktop Computer Motherboard 12400F

B760M-G Desktop Computer Motherboard 12400F, Suitable for Core CPU Processor Set, Gaming with Multiple Ports

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Computer Motherboard B760M-G I5 12400F

Computer Motherboard B760M-G I5 12400F DDR4 Xianglong 400 Combat Edition CPU Processor Compatible with LGA1700 Slot DDR4

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EOM EDM Computer Motherboard B250

EOM EDM Computer Motherboard B250 Original Desktop 1151 B250 B250M DDR4 Motherboard LGA 1151 I7/i5/i3 USB3.0 SATA3

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