Top 10 Dip Plug-in Welding Suppliers in Cuba

Founded in 2005, Havana Electronics Solutions (HES) has grown from a small workshop to Cuba's leading provider of through-hole soldering services. Based in the heart of Havana's tech district, HES specializes in high-precision dip plug-in assembly for industries ranging from aerospace to medical devices.

What sets HES apart is its investment in automated wave soldering lines, which ensure consistent solder quality across batches. The company's 15,000 sq. ft. facility houses three state-of-the-art wave soldering machines, capable of handling PCBs up to 500mm in length. HES is also a pioneer in mixed-assembly services, seamlessly combining dip plug-in welding with SMT for complex boards that require both through-hole and surface-mount components.

Certifications: ISO 9001:2015, RoHS compliant, and IPC-A-610 Class 3 (the highest standard for electronic assemblies). HES also offers in-house testing, including functional testing and thermal cycling, to validate solder joint integrity.

Client Focus: Medium to large-scale production runs (10,000+ units/month) with lead times as short as 5–7 business days. Recent clients include Cuba's national power utility and a European medical equipment manufacturer.

Nestled in Santiago de Cuba, Santiago Precision Welding (SPW) has built a reputation for excellence in low-volume, high-complexity dip plug-in assembly. Since 2010, SPW has focused on serving startups, research institutions, and small-batch manufacturers who need prototype-to-production support.

SPW's strength lies in its flexibility. The company's manual and semi-automated dip welding stations are ideal for intricate PCBs with odd-form components or custom layouts. Their team of certified technicians has experience with specialized through-hole soldering techniques, such as selective wave soldering for boards with heat-sensitive components.

Certifications: ISO 13485 (medical device quality management) and RoHS compliant. SPW also offers component sourcing as part of its one-stop service, helping clients navigate global supply chain challenges.

Client Focus: Low to medium volumes (100–5,000 units/month) with a focus on R&D and custom projects. The company prides itself on collaborative engineering support, often working directly with clients to optimize designs for manufacturability.

Camagüey Tech Assembly (CTA) is a regional leader in industrial-grade through-hole soldering, serving Cuba's manufacturing hubs in Camagüey and Villa Clara. Established in 2012, CTA has carved a niche in heavy-duty electronics, including automotive control modules, agricultural sensors, and marine navigation systems.

CTA's wave soldering service is tailored for durability: their machines use nitrogen-enriched soldering baths to minimize oxidation, resulting in stronger, more corrosion-resistant joints. The company also offers post-soldering services like conformal coating application, adding an extra layer of protection for PCBs used in harsh environments.

Certifications: ISO 9001:2015, RoHS, and CE marking for export-ready products. CTA's quality control process includes X-ray inspection of solder joints, ensuring compliance with strict industrial standards.

Client Focus: Mass production (20,000+ units/month) for industrial clients. The company's 24/7 production schedule and dedicated logistics team enable fast delivery, with 95% of orders meeting 10-day turnaround targets.

Holguín Electronics Manufacturing (HEM) is a family-owned business that has been a trusted name in dip plug-in welding since 1998. Located in Holguín, HEM combines traditional craftsmanship with modern technology to serve clients in consumer electronics and home appliances.

HEM's specialty is cost-effective, high-quality through-hole soldering for high-volume consumer goods, such as refrigeration controls, audio amplifiers, and small kitchen appliances. The company operates two automated dip soldering lines and a manual assembly area for low-volume or custom orders.

Certifications: ISO 9001:2015 and RoHS compliant. HEM also offers in-house component management, helping clients reduce waste by optimizing inventory levels and reusing excess components where possible.

Client Focus: High-volume production (50,000+ units/month) with a focus on affordability. HEM's competitive pricing and bulk purchasing power make it a top choice for consumer electronics brands looking to balance quality and cost.

Matanzas PCB Assembly (MPA) is a rising star in Cuba's electronics scene, known for its innovative approach to mixed-technology assembly. Founded in 2018, MPA has quickly gained a reputation for excellence in combining dip plug-in welding with SMT, making it a go-to for clients with hybrid PCBs.

MPA's facility features a dual-lane wave soldering machine with selective soldering capabilities, allowing it to handle both through-hole and surface-mount components on the same board. The company also offers turnkey solutions, including component sourcing, design for manufacturing (DFM) support, and final product assembly.

Certifications: ISO 9001:2015, RoHS, and UL certification for ｓｅｌｅｃｔ products. MPA's quality lab includes AOI (Automated Optical Inspection) systems to detect soldering defects early in the process.

Client Focus: Medium-volume production (5,000–15,000 units/month) for tech startups and international OEMs. MPA's agility and technical expertise make it ideal for clients with fast-paced development cycles.

Cienfuegos Welding Services (CWS) is a specialized provider of precision through-hole soldering for the defense and aerospace sectors. Located in the coastal city of Cienfuegos, CWS has been serving government and military clients since 1990, earning a reputation for and uncompromising quality.

CWS's services include hand-soldering for high-reliability components, automated wave soldering for ruggedized PCBs, and post-soldering inspection using X-ray and ultrasonic testing. The company's facility is secured with 24/7 surveillance, and all staff undergo background checks to ensure data and product security.

Certifications: AS9100D (aerospace quality management), ISO 9001:2015, and ITAR compliant. CWS also adheres to MIL-STD-202G, the military standard for environmental testing of electronic components.

Client Focus: Low to medium volumes (500–5,000 units/month) with strict security and compliance requirements. CWS's long-standing relationships with defense contractors make it a trusted partner for mission-critical projects.

Pinar del Río Tech Works (PRTW) is a community-focused manufacturer that combines dip plug-in assembly with vocational training. Founded in 2015, PRTW operates a social enterprise model, hiring and training local residents while delivering high-quality electronics assembly services.

PRTW specializes in low-cost dip plug-in assembly for educational electronics, DIY kits, and small-scale industrial tools. The company's facility includes a manual dip soldering station and a small automated wave soldering line, making it suitable for prototyping and short-run production.

Certifications: ISO 9001:2015 and RoHS compliant. PRTW also offers component sourcing from local suppliers, reducing lead times and supporting Cuba's domestic electronics ecosystem.

Client Focus: Low-volume production (100–1,000 units/month) for schools, hobbyists, and small businesses. PRTW's mission-driven approach appeals to clients looking to support sustainable manufacturing practices.

Sancti Spíritus Electronics (SSE) is a full-service contract manufacturer offering dip plug-in welding, SMT assembly, and final product testing. With over 30 years of experience, SSE has a deep understanding of electronics manufacturing, making it a one-stop shop for clients seeking end-to-end solutions.

SSE's dip plug-in assembly services include wave soldering, hand soldering, and selective soldering for fine-pitch components. The company also provides functional testing, burn-in testing, and reliability testing to ensure products meet performance standards.

Certifications: ISO 9001:2015, ISO 14001 (environmental management), and RoHS compliant. SSE's commitment to sustainability includes waste reduction programs and energy-efficient manufacturing processes.

Client Focus: Large-scale production (20,000+ units/month) for automotive and industrial clients. SSE's integrated services and global logistics network make it a preferred partner for clients with international distribution needs.

Guantánamo Assembly Solutions (GAS) is a regional leader in low-volume, high-mix dip plug-in assembly. Located in eastern Cuba, GAS serves clients across the Caribbean and Central America, offering flexible services for custom electronics projects.

GAS's strength is its ability to handle diverse component types, from large electrolytic capacitors to small signal diodes. The company's manual soldering stations are staffed by certified technicians with expertise in odd-form and high-pin-count components.

Certifications: ISO 9001:2015 and RoHS compliant. GAS also offers consignment manufacturing, allowing clients to supply their own components while leveraging GAS's assembly expertise.

Client Focus: Low to medium volumes (500–3,000 units/month) for custom electronics and specialty equipment. GAS's customer-centric approach includes dedicated account managers and flexible scheduling to meet tight deadlines.

Villa Clara Dip Tech (VCDT) rounds out our list with its focus on innovation in through-hole soldering. Founded in 2018, VCDT has quickly become a leader in using data-driven manufacturing to optimize dip plug-in assembly processes.

VCDT's facility is equipped with smart wave soldering machines that collect real-time data on solder temperature, conveyor speed, and flux application. This data is analyzed to identify trends and improve process efficiency, reducing defects and waste.

Certifications: ISO 9001:2015, RoHS, and IPC-A-610 Class 2. VCDT also offers value-added services like PCB design review and component obsolescence management to help clients future-proof their products.

Client Focus: Medium-volume production (3,000–10,000 units/month) for tech companies and research institutions. VCDT's data-driven approach appeals to clients looking to optimize manufacturing costs without sacrificing quality.