Precision engineered substrates designed for military aerospace radars, 5G wireless networks, and high-efficiency photovoltaic systems in Karachi, Lahore, and Islamabad.
Analyzing the accelerating demand for high-reliability, high-frequency PCBs under CPEC and Pakistan's National Digitalization Goals
As Pakistan undergoes a rapid technological transformation driven by the China-Pakistan Economic Corridor (CPEC) and the establishment of the Special Technology Zones Authority (STZA), the requirement for high-frequency (HF) and microwave printed circuit boards has reached an all-time high. Digital infrastructure demands, specifically in telecommunication backbones, aerospace radar arrays, local smart meter grids, and high-frequency solar inverter assemblies, are pushing local OEMs to seek reliable international partners who can deliver complex multi-layer designs.
Historically, Pakistan relied heavily on imported, general-purpose FR4 boards, which are insufficient for contemporary gigahertz-range transmissions. High-frequency PCBs demand low dielectric loss ($D_f$), controlled dielectric constants ($D_k$), and stable thermal coefficients. These electrical properties are critical to prevent signal attenuation and distortion in devices operating above 5 GHz, including the newly deployed 4G LTE-Advanced and future 5G trial base stations across major urban centers like Karachi, Lahore, and Islamabad.
Compliance with IPC Class 3 standards, offering Taconic and Rogers base laminates optimized for defense microwave radar installations in Kamra and Rawalpindi.
Impedance tolerance held strictly within ±5%, offering PTFE mixed-pressure stackups to handle ultra-high frequencies (up to 77 GHz) with zero degradation.
Direct shipping agreements through Air Cargo to Islamabad/Lahore and Ocean Freight via Karachi Port (KICT/PICT) with full customs documentation support.
How material selections define impedance control, signal loss, and heat dissipation in challenging operational environments
Developing high-frequency PCBs for the harsh, hot climate of Pakistan requires strict attention to thermal management and dielectric characteristics. For instance, in solar photovoltaic installations across Sindh and Punjab, temperatures routinely exceed 45°C. General-purpose PCBs experience dielectric drift and mechanical warping. We utilize premium Rogers 4003C/4350B and Taconic TLY-5 substrates featuring a Coefficient of Thermal Expansion (CTE) closely matched to copper, ensuring structural integrity and consistent impedance.
Below is a comparative breakdown of key material choices engineered at our facility for high-frequency deployment:
| Substrate Material | Dielectric Constant (Dk @ 10GHz) | Dissipation Factor (Df @ 10GHz) | Thermal Conductivity (W/m/K) | Primary Application Area in Pakistan |
|---|---|---|---|---|
| Rogers RO4003C | 3.38 ± 0.05 | 0.0027 | 0.71 | Radar, Satellite LNBs, Defense Electronics |
| Rogers RO4350B | 3.48 ± 0.05 | 0.0037 | 0.69 | Commercial 4G/5G Small Cells, Power Amplifiers |
| Taconic TLY-5 | 2.20 ± 0.02 | 0.0009 | 0.22 | Aerospace guidance, Ultra-low-loss Microwave systems |
| Shengyi FR4 High TG170 | 4.60 | 0.0150 | 0.40 | Multilayer Mixed-Pressure Digital Control Boards |
| Aluminum Substrate (Taconic Hybrid) | 2.20 - 4.50 | 0.001 - 0.01 | 1.5 - 3.0 | High-Power PV Inverters, Industrial LED Drives |
Complementary high-durability thermal management and processor architectures optimized for server deployments in Karachi and Islamabad.
Uncompromising reliability backed by industry-standard signal testing and material validation
Velmix Technology Co., Ltd. serves as a pivotal node in the global high-speed electronics ecosystem. Our manufacturing hub utilizes advanced surface-mount technology (SMT) and raw laminate processing equipment to construct mixed-pressure multi-layer boards. For clients in Pakistan, sourcing RF and high-frequency PCBs can often be plagued by quality inconsistency. We resolve this by enforcing a 100% inspection protocol prior to dispatch.
Every single high-frequency board undergo rigorous screening:
How Velmix aligns its engineering to meet upcoming telecom and smart grid standards in South Asia
Perfecting low-loss composite FR4-PTFE stackups for immediate 4G LTE-A networks and local point-to-point microwave transceivers.
Introducing ultra-flat copper profiles with Rogers RO4835 to mitigate skin-effect losses at higher 5G frequencies (28GHz to 39GHz).
Producing cost-effective, high-reliability RF boards for localized smart water and power meter grids across major cities.
Integrating high-frequency communication modules with multi-layer high-density interconnect (HDI) server computing boards.
Velmix Technology Co., Ltd. is a professional DDR5 memory and high-performance computing components manufacturer based in Shenzhen, China. Specializing in the research, development, production, and global distribution of high-performance DRAM memory solutions and advanced printed circuit assemblies. Since its establishment in 2017, Velmix has been committed to delivering reliable, high-speed hardware products for consumer electronics, industrial applications, gaming systems, servers, and embedded computing.
Operating from a modern manufacturing facility covering 368㎡, we combine advanced production technologies with strict quality management to ensure every product meets international performance and reliability standards. Our experienced engineering team continuously develops innovative DDR5 memory and PCB solutions to meet the evolving demands of AI computing, edge devices, cloud infrastructure, and next-generation computing platforms.
Today, Velmix serves customers in more than 40 countries and regions, offering flexible OEM and ODM manufacturing services for global brands, distributors, system integrators, and industrial equipment manufacturers. By focusing on product consistency, fast delivery, and technical innovation, we have built long-term partnerships across Europe, North America, Southeast Asia, and the Middle East, with a specific supply corridor dedicated to the expanding industrial sectors in Pakistan.
| Item | Information |
|---|---|
| Company Name | Velmix Technology Co., Ltd. |
| Established | 2017 |
| Facility Area | 368㎡ |
| Annual Export Revenue | USD 18.6 Million |
| Export Experience | 8 Years |
| Industry Experience | 15 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 |
| Supply Chain Partners | 986+ |
| 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 |
| R&D Engineers | 84 Engineers |
Original components manufactured under strict ISO and CE compliance, ready for shipping to Pakistani industrial hubs.
A glimpse inside our production facility showcasing advanced wave soldering, SMT pick-and-place lines, and cleanrooms.
Addressing technical, logistical, and commercial inquiries for Pakistani hardware buyers and engineers
Get in touch with our engineering team today for a comprehensive design check and quotation on your next High-Frequency design.
Velmix
