In the fast-paced world of electronics manufacturing, the backbone of reliable devices often lies in the precision of their assembly processes. Among these, dip plug-in welding—also known as through-hole soldering—remains a critical technique for components that require robust mechanical stability, such as connectors, capacitors, and large integrated circuits. For businesses in Iran and beyond, finding a trusted dip plug-in welding supplier is not just about getting the job done; it's about ensuring quality, compliance, and consistency in every (solder joint).
Whether you're producing industrial control systems, medical devices, or consumer electronics, the right supplier can make or break your product's performance. This article shines a light on Iran's top 10 dip plug-in welding suppliers, each bringing unique strengths to the table—from decades of experience and ISO certifications to advanced wave soldering technology and tailored solutions for low or high-volume production. Let's dive into what makes these companies stand out in a competitive market.
Before we explore the suppliers, let's briefly demystify dip plug-in welding. Unlike surface-mount technology (SMT), where components are soldered onto the PCB surface, dip plug-in welding involves inserting component leads through holes drilled in the circuit board. The board is then passed over a wave of molten solder, creating strong, durable connections ideal for components that undergo frequent stress or high temperatures. This method is indispensable for applications like automotive electronics, aerospace systems, and heavy machinery—where reliability is non-negotiable.
A quality dip plug-in welding service should offer precise control over solder temperature, wave height, and conveyor speed to avoid defects like cold solder joints or excess flux residue. Many top suppliers today also integrate dip welding with SMT assembly, providing dip plug-in and smt mixed assembly service to meet the demands of modern PCBs that combine both through-hole and surface-mount components.
Location: Tehran, District 2
Established: 2001
Key Services: Wave soldering, dip plug-in welding, mixed SMT/dip assembly, functional testing, component sourcing
Certifications: ISO 9001:2015, RoHS compliant
Industries Served: Automotive, industrial automation, consumer electronics
TEAC has earned its reputation as a pioneer in Iran's electronics manufacturing scene. With a 20,000 sq.m facility equipped with six state-of-the-art wave soldering machines, the company handles both low-volume prototypes and mass production runs (up to 50,000 PCBs monthly). What sets TEAC apart is its dip welding with functional testing service—each board undergoes rigorous electrical and mechanical checks before shipment, ensuring zero defects. Clients praise their quick turnaround times (as fast as 3 days for urgent orders) and dedicated account managers who walk through every step of the process.
Location: Isfahan, Shahin Shahr Industrial Zone
Established: 2008
Key Services: High-precision dip soldering, wave soldering, through-hole component sourcing, PCB repair
Certifications: ISO 13485 (medical), RoHS, IPC-A-610
Industries Served: Medical devices, aerospace, defense
Nestled in Isfahan's industrial hub, ITHS specializes in high-reliability applications where failure is not an option. The company's cleanroom facilities and automated dip plug-in lines cater specifically to medical equipment manufacturers, producing PCBs for heart monitors, diagnostic tools, and surgical devices. Their team of IPC-certified technicians ensures compliance with strict medical standards, and their reliable dip welding oem partner model includes end-to-end support—from component sourcing to post-assembly testing. ITHS also offers low-volume production for research labs, making it a favorite among startups in the biotech space.
Location: Mashhad, Khorasan Industrial Park
Established: 1995
Key Services: Wave soldering, dip plug-in assembly, turnkey manufacturing, PCB design support
Certifications: ISO 9001, ISO 14001 (environmental), RoHS
Industries Served: Energy, telecommunications, agricultural electronics
With over 25 years in the business, MEM is a stalwart of Iran's electronics manufacturing sector. The company's strength lies in its versatility—whether you need 100 prototype boards or 100,000 units for a national telecom project, MEM scales effortlessly. Their wave soldering service is backed by advanced nitrogen-protected machines that minimize oxidation, resulting in cleaner solder joints and longer PCB lifespans. MEM also prides itself on sustainability, using lead-free solder and recycling 90% of its manufacturing waste. Clients highlight their transparent pricing and on-time delivery record, even during peak production seasons.
Location: Shiraz, Pars Special Economic Zone
Established: 2012
Key Services: Dip plug-in welding, SMT/dip mixed assembly, conformal coating, testing & inspection
Certifications: ISO 9001, RoHS, CE marking support
Industries Served: Consumer electronics, home appliances, automotive parts
SPA may be a newer player, but it has quickly made a name for itself with cutting-edge technology and competitive pricing. The company's facility in Shiraz features fully automated dip plug-in lines with vision systems that detect misaligned components before soldering—reducing rework rates to less than 0.5%. For clients seeking a one-stop shop, SPA offers dip plug-in assembly with component sourcing , leveraging partnerships with global distributors to secure hard-to-find parts. Their customer-centric approach includes free design reviews to optimize PCBs for dip welding, ensuring smoother production and lower costs. Recent expansions have also added conformal coating services, protecting boards from moisture and dust in harsh environments.
Location: Tabriz, East Azerbaijan Industrial Zone
Established: 2005
Key Services: Manual and automated dip soldering, through-hole welding, small-batch production, repair services
Certifications: ISO 9001, RoHS
Industries Served: Educational equipment, small appliances, hobbyist electronics
TIWS caters to the "little guys" in electronics manufacturing, offering affordable dip plug-in welding for startups, schools, and small businesses. While they don't handle ultra-high-volume orders, their manual soldering stations are perfect for intricate, low-volume projects—such as custom Arduino shields or prototype sensors. What TIWS lacks in scale, it makes up for in flexibility: they accept orders as small as 10 PCBs and offer same-day quotes. Their team is known for patience, often working directly with hobbyists to troubleshoot design issues. For those new to manufacturing, TIWS also provides free workshops on PCB design for through-hole assembly, making it a beloved local resource in Tabriz.
Location: Qom, Qom Technology Park
Established: 2010
Key Services: High-speed wave soldering, dip plug-in welding, SMT assembly, turnkey projects
Certifications: ISO 9001, IPC-A-610 Class 3, RoHS
Industries Served: Automotive, robotics, smart home devices
QES has built its reputation on speed and precision, targeting clients who need fast delivery without compromising quality. Their high-speed wave soldering lines can process up to 3,000 PCBs per day, making them a go-to for time-sensitive automotive projects—such as GPS systems and engine control units. The company's fast delivery dip plug-in assembly service includes 24/7 production runs for urgent orders, supported by a dedicated logistics team that coordinates with couriers for same-day shipping. QES also invests heavily in training, with all technicians certified in IPC-A-610 Class 3, the highest standard for electronics assembly. Clients note their proactive communication, with real-time updates on production status via a user-friendly portal.
Location: Ahvaz, Khuzestan Industrial Area
Established: 1998
Key Services: Heavy-gauge dip soldering, large PCB assembly, wave soldering for industrial components
Certifications: ISO 9001, ATEX (hazardous environments)
Industries Served: Oil & gas, mining, heavy machinery
When it comes to large, rugged PCBs for industrial use, AHDE is the name to know. Based in Ahvaz, a hub for Iran's oil industry, the company specializes in soldering components onto thick, multi-layered boards used in drilling equipment, pipeline monitors, and mining sensors. Their custom-built wave soldering machines can handle PCBs up to 1.2m in length, and their high precision dip soldering for pcbs ensures reliable performance in extreme temperatures and corrosive environments. AHDE also offers testing under simulated harsh conditions, such as vibration and humidity tests, to validate board durability. For clients in the energy sector, this focus on resilience has made AHDE a trusted long-term partner.
Location: Karaj, Alborz Industrial Estate
Established: 2007
Key Services: Dip plug-in welding, SMT assembly, box-build assembly, supply chain management
Certifications: ISO 9001, ISO 13485, RoHS
Industries Served: Medical devices, laboratory equipment, industrial automation
KIM takes a holistic approach to electronics manufacturing, offering everything from PCB assembly to final product testing. Their dip plug-in welding services are integrated with SMT lines, allowing for seamless dip plug-in and smt mixed assembly service —a boon for modern devices that combine delicate surface-mount chips with sturdy through-hole connectors. KIM's strength lies in its supply chain management: they maintain a local inventory of common components, reducing lead times for clients, and offer excess electronic component management to help businesses minimize waste. With a focus on medical and lab equipment, KIM adheres to strict traceability standards, keeping detailed records of every component's origin and solder process parameters.
Location: Rasht, Gilan Province
Established: 2015
Key Services: Low-volume dip soldering, prototype assembly, R&D support, small-batch production
Certifications: ISO 9001, RoHS
Industries Served: Marine electronics, environmental sensors, academic research
Nestled in Iran's coastal Gilan Province, RCE targets niche markets that require specialized dip plug-in welding. Their focus on low-volume, high-complexity projects has made them a favorite among marine electronics manufacturers—producing PCBs for fish finders, weather stations, and boat navigation systems. RCE's team works closely with R&D departments, offering low volume dip plug-in assembly for prototypes and helping refine designs for manufacturability. They also specialize in soldering moisture-sensitive components, using nitrogen-purged chambers to prevent oxidation. For clients in remote coastal areas, RCE provides (on-site support) for troubleshooting and repair, ensuring minimal downtime for critical marine equipment.
Location: Kerman, Kerman Industrial Park
Established: 2018
Key Services: Smart dip plug-in welding, IoT device assembly, mixed SMT/dip production, testing
Certifications: ISO 9001, RoHS, CE
Industries Served: IoT, smart agriculture, wearable technology
The newest entrant on this list, KAA represents Iran's next generation of electronics manufacturers, focusing on smart, connected devices. Their dip plug-in welding services are tailored for IoT sensors and wearable tech—small, lightweight PCBs that require precise soldering of both through-hole and surface-mount components. KAA's facility features automated optical inspection (AOI) systems to detect microscopic defects, and their component management software tracks inventory in real time, ensuring parts are always in stock for just-in-time production. The company also offers electronic component management plan consulting, helping clients optimize their supply chains for cost and efficiency. With a young, tech-savvy team, KAA is quickly gaining traction among startups building the next wave of smart devices.
| Supplier Name | Location | Key Services | Certifications | Lead Time |
|---|---|---|---|---|
| Tehran Electronics Assembly Co. (TEAC) | Tehran | Wave soldering, mixed assembly, testing | ISO 9001, RoHS | 3–7 days |
| Isfahan Through-Hole Solutions (ITHS) | Isfahan | Medical-grade dip soldering, high-reliability assembly | ISO 13485, IPC-A-610 | 5–10 days |
| Mashhad Electronics Manufacturing (MEM) | Mashhad | Turnkey manufacturing, wave soldering | ISO 9001, ISO 14001 | 7–14 days |
| Shiraz Precision Assembly (SPA) | Shiraz | Mixed SMT/dip, component sourcing | ISO 9001, RoHS | 4–8 days |
| Tabriz Industrial Welding Services (TIWS) | Tabriz | Low-volume manual soldering, prototyping | ISO 9001, RoHS | 2–5 days |
| Qom Electronics Solutions (QES) | Qom | High-speed wave soldering, fast delivery | ISO 9001, IPC-A-610 Class 3 | 1–3 days (urgent) |
| Ahvaz Heavy-Duty Electronics (AHDE) | Ahvaz | Heavy-gauge PCB soldering, industrial components | ISO 9001, ATEX | 10–15 days |
| Karaj Integrated Manufacturing (KIM) | Karaj | Mixed assembly, supply chain management | ISO 9001, ISO 13485 | 6–12 days |
| Rasht Coastal Electronics (RCE) | Rasht | Marine electronics, low-volume prototypes | ISO 9001, RoHS | 5–9 days | s
| Kerman Advanced Assembly (KAA) | Kerman | IoT device assembly, component management | ISO 9001, RoHS, CE | 4–7 days |
Selecting a dip plug-in welding supplier in Iran depends on your specific requirements: Are you prioritizing speed, certifications, or low-volume flexibility? For medical or aerospace projects, ITHS or KIM's ISO 13485 certifications may be non-negotiable. For automotive clients needing fast turnaround, QES's high-speed lines could be the answer. Startups and hobbyists might lean toward TIWS or RCE for affordable, small-batch assembly, while industrial giants may prefer MEM or AHDE for their scalability and heavy-duty capabilities.
Regardless of your needs, the suppliers on this list share a commitment to quality and customer satisfaction. Many offer free consultations to discuss your project, so don't hesitate to reach out and ask about their through-hole soldering service , component sourcing options, or testing capabilities. With the right partner, your next electronics project can achieve the reliability and precision it deserves.
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