Cambodia's electronics manufacturing sector has been quietly but steadily rising, carving out a niche as a go-to destination for PCBA (Printed Circuit Board Assembly) OEM services. With its strategic location in Southeast Asia, skilled workforce, and growing infrastructure, the country has attracted businesses worldwide seeking reliable, cost-effective partners for their electronic assembly needs. From startups needing low-volume prototypes to large enterprises scaling mass production, Cambodia's PCBA suppliers offer a diverse range of solutions tailored to different project sizes and industries. In this article, we'll explore the top 10 PCBA OEM suppliers in Cambodia, highlighting their unique strengths, service offerings, and what makes them stand out in a competitive market.
When it comes to a seamless, end-to-end experience, Cambodia Electronics Solutions (CES) leads the pack with its one-stop smt assembly service. Based in Phnom Penh's Special Economic Zone, CES has built a reputation for handling every stage of the PCBA process in-house—from PCB design reviews and component sourcing to SMT assembly, DIP soldering, and final functional testing. Their facility houses 12 advanced SMT lines, including high-speed pick-and-place machines capable of placing components as small as 01005, making them ideal for projects with tight space constraints.
What clients love most about CES is their flexibility. Whether you need 50 prototype boards or 50,000 production units, their team adjusts workflows to meet deadlines without sacrificing quality. "We once had a client rush a medical device project, needing 1,000 units in three weeks," recalls a CES project manager. "By reallocating resources and working around the clock, we delivered on time—and the boards passed all regulatory tests on the first try." This commitment to collaboration extends to design support, too; their engineering team often provides free DFM (Design for Manufacturability) analysis to help clients optimize layouts for cost and efficiency. With a client roster spanning consumer electronics, automotive, and industrial sectors, CES proves that a one-stop approach doesn't mean cutting corners.
For businesses that prefer a hands-off approach, Phnom Penh Tech Assembly (PPTA) shines with its turnkey smt pcb assembly service. PPTA takes full ownership of your project, starting with component sourcing—leveraging partnerships with global distributors to secure high-quality parts at competitive prices—and ending with the delivery of fully tested, ready-to-use PCBA modules. Their turnkey model is particularly popular with international clients who want to avoid the hassle of managing logistics across borders.
Quality is non-negotiable at PPTA. The facility is ISO 9001 and ISO 13485 certified, ensuring compliance with strict medical and industrial standards, and they're RoHS compliant for clients targeting eco-conscious markets. Their testing lab is equipped with AOI (Automated Optical Inspection) systems and X-ray machines to catch soldering defects early, and they offer optional in-circuit testing (ICT) and functional testing for critical applications. "Our goal is to make the client's job easier," says PPTA's CEO. "They send us a BOM and a design, and we send back a product they can trust." With a focus on long-term partnerships, PPTA has become a favorite among medical device and IoT companies, where reliability and regulatory compliance are make-or-break.
Reliability is the name of the game at Siem Reap Manufacturing Co., Ltd. (SRMC), a trusted reliable smt contract manufacturer with over a decade of experience. Located in Siem Reap's growing industrial park, SRMC has built its business on consistency—delivering orders on time, every time, and maintaining a 99.7% defect-free rate across all projects. Their secret? A combination of rigorous process controls and a dedicated team trained in lean manufacturing principles.
SRMC specializes in serving mid-to-large volume orders, with SMT lines that can produce up to 500,000 units monthly. But they're equally adept at smaller runs, offering flexible scheduling to accommodate rush orders. What sets them apart is their focus on transparency: clients receive real-time updates via a custom portal, tracking production progress, component inventory, and testing results. "We had a client from Europe who was nervous about outsourcing to Cambodia," says an SRMC account manager. "After six months of working together, they told us we're more reliable than their previous supplier in China." With clients in automotive electronics and smart home devices, SRMC proves that reliability isn't just about meeting deadlines—it's about building trust.
Startups and small businesses often struggle to find suppliers willing to take on low-volume projects without charging exorbitant fees. That's where Battambang Electronics Assembly (BEA) comes in, specializing in low volume smt assembly service tailored to the needs of emerging brands. Based in Battambang, a city known for its skilled technical workforce, BEA offers prototype assembly, small-batch production (as low as 10 units), and quick-turnaround services—with most projects completed in 5–7 business days.
BEA's team prides itself on being "startup-friendly." They offer flexible pricing models, waive minimum order requirements for first-time clients, and provide free design consultations to help entrepreneurs refine their prototypes. "We remember what it's like to be a startup," says BEA's founder. "Cash flow is tight, timelines are short, and you need a partner who gets that." Their facility may be smaller than some competitors, but it's equipped with modern SMT equipment, including a dedicated prototype line for rapid iterations. Clients rave about their responsiveness—engineers are available via phone or email outside business hours to address urgent questions. For startups in wearables, consumer gadgets, and IoT, BEA is more than a supplier; they're a growth partner.
Many projects require a mix of surface-mount (SMT) and through-hole (DIP) components, and Kampong Cham Precision Circuits (KCPC) excels at delivering high-quality dip plug-in assembly alongside SMT services. Located in Kampong Cham, a hub for electronics manufacturing, KCPC has invested in automated DIP soldering equipment, including wave soldering machines and selective soldering systems, to ensure precision and consistency for through-hole components like connectors, capacitors, and switches.
KCPC's mixed-assembly expertise makes them a top choice for industrial PCBs, which often combine delicate SMT ICs with rugged through-hole parts. Their process starts with SMT assembly, followed by manual insertion of DIP components (inspected by trained operators), and ends with wave soldering or selective soldering for reliable connections. "Through-hole components can be tricky—if the soldering isn't precise, you risk short circuits or weak connections," explains a KCPC engineer. "Our automated systems ensure each joint is uniform, even for high-pin-count connectors." They also offer post-soldering services like conformal coating to protect boards from moisture and dust, making them suitable for harsh environments. With clients in industrial automation and power electronics, KCPC proves that mastering both SMT and DIP is a rare and valuable skill.
Efficiency is the cornerstone of Takeo Tech Works (TTW), a supplier that stands out for its advanced electronic component management software. TTW uses a cloud-based inventory system to track components in real time, from receipt at the warehouse to placement on the PCB. This tool not only reduces the risk of stockouts but also helps clients optimize their BOMs by suggesting alternative components when parts are obsolete or hard to source.
TTW's component management capabilities are a game-changer for clients with complex projects. For example, when a client's BOM included a discontinued microcontroller, TTW's software flagged the issue within hours and proposed three compatible alternatives, saving the client weeks of redesign work. "Component obsolescence is a huge headache in electronics," says TTW's supply chain manager. "Our software turns that headache into a non-issue." Beyond inventory, TTW offers full traceability—clients can access batch numbers, manufacturer certificates, and test reports for every component used in their PCBs. With a focus on aerospace and defense clients, where traceability is mandatory, TTW demonstrates how technology can transform component management from a logistical challenge into a competitive advantage.
For businesses with global ambitions, Kandal Electronics Manufacturing (KEM) offers global smt contract manufacturing services, with a focus on exporting PCBA modules to markets in Asia, Europe, and North America. Located near the Port of Sihanoukville, KEM leverages Cambodia's trade agreements and logistics networks to ship products quickly and cost-effectively worldwide. Their team includes multilingual account managers fluent in English, Mandarin, and Khmer, ensuring smooth communication with international clients.
KEM specializes in high-volume production, with SMT lines capable of assembling over 1 million PCBs monthly. They serve clients in consumer electronics, including smartphone accessories and home appliances, and are certified to meet international standards like UL, CE, and FCC. "We understand that global clients have unique needs—different regulations, different shipping timelines, different quality expectations," says KEM's export director. "Our job is to make sure those needs are met without any extra effort from the client." With a track record of delivering to major brands in Europe and the U.S., KEM is a trusted partner for businesses looking to scale production across borders.
Testing is a critical step in PCBA, and Preah Sihanouk PCB Assembly (PSPA) goes above and beyond with its smt assembly with testing service. Located in the coastal city of Preah Sihanouk, PSPA has built a state-of-the-art testing lab that offers a suite of verification services, including automated optical inspection (AOI), X-ray inspection, in-circuit testing (ICT), functional testing, and environmental testing (temperature, humidity, vibration).
PSPA's testing process is designed to catch defects early, reducing rework and ensuring reliable end products. For example, their AOI systems scan every SMT joint for misalignment or cold solder, while X-ray machines inspect hidden joints under BGA and QFN packages. For clients with custom testing requirements, PSPA designs and builds dedicated test fixtures, complete with software for automated functional testing. "We once worked with a client on a sensor PCB that needed to withstand extreme temperatures," says PSPA's test engineering lead. "We built a custom thermal chamber and ran 500+ hours of testing to validate performance—something many suppliers wouldn't take on." With clients in automotive and industrial sensors, PSPA proves that thorough testing isn't just an add-on; it's a critical part of delivering quality.
Cost is a top concern for many businesses, and Svay Rieng Low-Cost Assembly (SRCA) has made it their mission to deliver affordable solutions with their low cost smt processing service. Located in Svay Rieng province, near the Vietnam border, SRCA leverages lower operational costs and efficient workflows to offer competitive pricing without compromising quality. Their target clients include small to medium enterprises (SMEs) and budget-conscious startups looking to maximize their production budget.
SRCA achieves cost savings through lean manufacturing practices, bulk component purchasing, and optimized production scheduling. They offer transparent pricing with no hidden fees, and clients can choose from tiered service packages based on their needs—basic assembly (no testing) for prototypes, or full-service assembly with testing for production runs. "We believe affordability shouldn't mean cutting corners," says SRCA's operations manager. "We use the same high-quality components and equipment as our competitors, but we've streamlined our processes to keep costs down." With clients in toys, small appliances, and educational electronics, SRCA proves that low cost and reliability can go hand in hand.
For projects demanding the highest precision, Mondulkiri Advanced Electronics (MAE) is the go-to supplier, specializing in high precision smt pcb assembly. Located in the mountainous Mondulkiri province, MAE caters to industries where accuracy is critical, including medical devices, aerospace, and defense. Their facility is equipped with ultra-precision SMT equipment, including high-speed pick-and-place machines with placement accuracy of ±5 μm and repeatability of ±3 μm, allowing them to handle fine-pitch components like 0.3mm pitch BGAs and microcontrollers.
MAE's commitment to precision extends to their quality control processes. Every PCB undergoes 100% inspection, including AOI, X-ray, and manual visual inspection by certified technicians. They also offer specialized services like conformal coating (to protect components from moisture and dust) and laser marking for traceability. "Our clients trust us with their most complex designs," says MAE's technical director. "We once assembled a PCB with over 1,200 components, including 150 fine-pitch ICs—and it passed all tests on the first run." With certifications like ISO 13485 (medical) and AS9100 (aerospace), MAE is a leader in high-precision PCBA for mission-critical applications.
| Supplier Name | Key Services | Specialties | Target Industries |
|---|---|---|---|
| Cambodia Electronics Solutions (CES) | One-stop SMT assembly, DIP soldering, testing | Design collaboration, prototype to mass production | Consumer electronics, industrial equipment |
| Phnom Penh Tech Assembly (PPTA) | Turnkey SMT assembly, component sourcing, testing | ISO 13485 certified, RoHS compliant | Medical devices, IoT |
| Siem Reap Manufacturing Co., Ltd. (SRMC) | High-volume SMT assembly, DIP soldering | 99.7% defect-free rate, real-time production tracking | Automotive, smart home devices |
| Battambang Electronics Assembly (BEA) | Low-volume SMT assembly, prototyping | Startup-friendly, quick turnaround (5–7 days) | Wearables, consumer gadgets |
| Kampong Cham Precision Circuits (KCPC) | Mixed SMT/DIP assembly, wave soldering | Automated DIP soldering, rugged industrial PCBs | Industrial automation, power electronics |
| Takeo Tech Works (TTW) | SMT assembly, component management | Cloud-based component tracking, obsolescence management | Aerospace, defense |
| Kandal Electronics Manufacturing (KEM) | Global SMT contract manufacturing, export | Multilingual support, UL/CE/FCC certified | Consumer electronics, smartphone accessories |
| Preah Sihanouk PCB Assembly (PSPA) | SMT assembly with testing (AOI, X-ray, ICT) | Custom test fixtures, environmental testing | Automotive sensors, industrial controls |
| Svay Rieng Low-Cost Assembly (SRCA) | Low-cost SMT processing, basic to full-service assembly | Lean manufacturing, transparent pricing | Toys, small appliances, educational electronics |
| Mondulkiri Advanced Electronics (MAE) | High-precision SMT assembly, conformal coating | ±5 μm placement accuracy, AS9100 certified | Medical devices, aerospace, defense |
Cambodia's PCBA OEM landscape is diverse, with suppliers catering to every need—from startups seeking low-volume prototypes to enterprises scaling global production. Whether you prioritize one-stop convenience, rigorous testing, cost savings, or high precision, there's a supplier on this list that aligns with your project goals. The key to success is choosing a partner that understands your industry, communicates clearly, and shares your commitment to quality. As Cambodia's electronics sector continues to grow, these top 10 suppliers are poised to play an even bigger role in the global PCBA market—offering businesses a reliable, cost-effective alternative to more established manufacturing hubs. So, whether you're local or international, consider Cambodia for your next PCBA project—you might just find your perfect manufacturing partner.
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