To meet the thermal dissipation and fast power routing demands of Ho Chi Minh City's industrial AI and telecommunication applications, we showcase four foundational component categories optimized for complex heavy copper assemblies:
Ho Chi Minh City (HCMC), encompassing strategic industrial zones such as the Saigon Hi-Tech Park (SHTP), is rapidly transitioning from basic electronic assembly to advanced, high-density manufacturing. The local demand for heavy copper printed circuit boards (PCBs with copper weights ranging from 3oz to over 20oz) has surged exponentially. This shift is primarily driven by three core industrial transformations in the southern Vietnamese economic zone:
While local PCB assembly (PCBA) houses in Vietnam have scaled, high-reliability manufacturing of Thick Copper PCBs (which require deep chemical etching control, specialized plating tanks, and optimized glass transition temperature matrices) remains scarce.
HCMC-based procurement offices demand foreign engineering support, rigid quality control, and rapid cross-border logistics to bypass local technical limitations.
Thick copper technology (heavy copper) is defined as having copper clad thicknesses of 3oz/ft² to 20oz/ft² in the inner or outer layers of the PCB. This thickness requires a complete overhaul of traditional layout rules, etching chemical exposure, and mechanical processing steps.
By integrating heavy copper traces, designers can utilize the circuit board itself as a direct heat sink. High-current circuits are paired with high thermal conductivity substrates (such as High-Tg FR4, polyimides, or metal-backed bases) to minimize the footprint of secondary aluminum heat sinks, reducing overall system weight and assembly complexity.
Standard PCB etching fails to yield clean sidewalls when copper thickness exceeds 3 ounces. Our fabrication lines utilize premium automated spray etching systems with customized chemical formulas to prevent undercutting, maintaining reliable spacing (minimum track/spacing tolerances matched to copper thickness) and structural integrity.
Thermal cycling is the primary failure mode for high-power industrial equipment. Our engineering team designs board stackups utilizing matched Coefficient of Thermal Expansion (CTE) prepregs and fillers. This eliminates pad lifting and interlayer delamination, even when running peak currents in ambient temperatures typical of Southern Vietnam.
| Copper Thickness (oz/ft²) | Copper Thickness (µm) | Min Line Width (mil) | Min Spacing (mil) | Typical Applications |
|---|---|---|---|---|
| 3 oz | 105 µm | 8 mil | 10 mil | Automotive electronics, standard server power supplies, solar chargers |
| 4 oz to 6 oz | 140 µm to 210 µm | 12 mil | 15 mil | Industrial motor controllers, high-speed rail converters, EV charging hubs |
| 8 oz to 12 oz | 280 µm to 420 µm | 18 mil | 20 mil | Military power grids, primary electric vehicle distribution blocks, wind energy |
| 15 oz+ | 525 µm+ | 25 mil | 30 mil | Heavy industrial mining power, locomotive switch gears, extreme-current aerospace |
Operating out of Shenzhen, the hardware capital of the world, Velmix Technology Co., Ltd. provides Ho Chi Minh City importers with a seamless gateway to next-generation heavy copper processing. Our facilities merge advanced R&D capabilities with state-of-the-art automated production to maintain absolute stability across our product portfolio, which ranges from multi-layer power distribution boards to high-density server computing modules and thermal units.
Established in 2017, Velmix has cultivated a mature multi-tiered quality management system. With over 15 years of industry experience and 8 years of export experience, we maintain a robust network of 986+ supply chain partners, ensuring raw copper laminate availability and pricing stability even during volatile global market shifts.
Below is a comprehensive overview of our organizational capabilities. We ensure transparent operations, detailed record-keeping, and stringent quality control protocols across our manufacturing footprint.
| Corporate Metric | Operational Capabilities & Standards |
|---|---|
| Company Name | Velmix Technology Co., Ltd. |
| Established | 2017 |
| Primary Production Hub | Shenzhen, China (Serving the Ho Chi Minh City & SE Asia Markets) |
| R&D Strength | 84 Dedicated Hardware, PCB Design, & Firmware Engineers |
| Quality Control Staff | 56 Full-time QA/QC Inspectors utilizing specialized testing instruments |
| Core Inspection Protocols | Signal Integrity Test, Burn-in Test, Thermal Shock Test, Compatibility Test, Functional Test & Random Batch Sampling |
| Export Channels | Dedicated logistics channels directly serving Cat Lai Port (HCMC) and Tan Son Nhat Airport (SGN) |
| Customization Scope | OEM, ODM, Copper Weight Configuration (up to 20oz), Base Substrate Customization, System Cooling Integrations |
As electronic designs shrink while handling higher voltages and currents, traditional standard-thickness boards fail due to overheating and electrical breakdown. Heavy copper technology provides system-wide solutions:
Modern telecommunication server units and cloud data centers in Southeast Asia run on multi-kilowatt power architectures. Thick copper traces on multi-layer PCBs optimize current distribution pathing, reducing resistance-induced voltage drops (I²R losses) and minimizing waste heat.
Electric motor controllers must handle peaks of hundreds of amperes. Heavy copper boards integrate power traces alongside control logic on a single board, eliminating complex wiring harnesses and mechanical busbars, thereby cutting production time and improving vibration resistance.
Grid-tied solar stations, energy storage system (ESS) container controls, and local power grids around Binh Duong and Dong Nai rely on heavy-copper backplanes to manage constant high-voltage switching without risk of laminate combustion.
We work closely with Vietnamese procurement managers, contract manufacturers (EMS), and R&D houses to simplify the import process:
Take a look inside our clean-room manufacturing and precision assembly divisions in Shenzhen, showcasing our capacity for high-density DRAM integration, advanced motherboard routing, and thermal solution testing:
Exporting components to Ho Chi Minh City’s special economic zones requires a deep understanding of local Vietnamese standards (such as TCVN specifications) and global compliance mandates. All Velmix products are manufactured in compliance with international green directives and electrical safety codes.
RoHS and REACH Compliance: All laminates, soldermasks, surface treatments, and electronic components are completely lead-free and free of restricted hazardous substances, ensuring compliant resale to EU and US markets.
By working with local freight forwarders in HCMC, we speed up customs clearance at Cat Lai port and Tan Son Nhat Airport. This minimizes warehouse dwell times and protects delicate multilayer boards from prolonged exposure to high relative humidity.
High-current heavy copper PCBs produce heat that must be systematically managed. Below are the premium cooling solutions, server memory boards, and active heat sinks that we export to system integrators throughout the HCMC market:
Whether you are working on a custom heavy copper PCB project, a server cooling solution, or a high-speed memory upgrade for industrial computing platforms, our engineers are here to help.
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