Top 10 Dip Plug-in Welding Suppliers in Bangladesh

Founded in 2010, TechWeld Electronics has grown from a small workshop in Dhaka to one of Bangladesh's most trusted names in through-hole soldering. What sets them apart? Their obsession with quality. Walk into their facility, and you'll see rows of automated dip soldering machines calibrated to 0.01mm precision—no detail is too small.

TechWeld specializes in both low-volume prototyping and high-volume mass production. They're particularly popular with consumer electronics brands, thanks to their ability to handle complex PCBs with mixed components (think SMT and through-hole combined). "We once worked with a smartwatch startup that needed 500 prototypes in two weeks," says their operations manager, Rashed Khan. "We delivered in 10 days, and their testing showed zero soldering defects. That's the TechWeld promise."

Key services include dip soldering with functional testing, wave soldering for PCBs, and custom fixture design for unique component layouts. They're ISO 9001 and RoHS certified, and their team of 50+ engineers and technicians undergoes quarterly training to stay ahead of industry trends. If you need reliability and speed, TechWeld is a solid first choice.

For businesses that value a "one-stop shop" experience, Dhaka Electronics Assembly Co. (DEAC) is hard to beat. Established in 2005, DEAC doesn't just do dip plug-in welding—they offer end-to-end manufacturing, from PCB design to final assembly and testing. This means you can hand them a blueprint, and they'll deliver a ready-to-sell product.

Their dip welding division is a standout. They use lead-free solder (compliant with RoHS standards) and have a dedicated quality control team that inspects each PCB under magnification. "We once had a client who needed a medical device PCB with 200+ through-hole components," recalls DEAC's CEO, Farhana Akter. "Our team not only soldered each component perfectly but also ran 10 rounds of functional testing to ensure it met medical safety standards. That's the level of care we put in."

DEAC's client list includes local medical equipment manufacturers and international automotive suppliers. They offer flexible MOQs (minimum order quantities)—starting at just 50 units—and competitive pricing for bulk orders. If you're looking to simplify your supply chain, DEAC's one-stop model could save you time and hassle.

Bangladesh Circuit Tech (BCT) is all about precision. Located in Chittagong's industrial zone, this supplier has built a reputation for handling high-complexity projects that other factories might shy away from. Their specialty? Dip soldering for aerospace and defense-grade PCBs, where a single misplaced component could have serious consequences.

What makes BCT unique is their investment in technology. They use computer-controlled wave soldering machines that adjust temperature and solder flow in real time, ensuring each joint is consistent. Their QA lab is equipped with X-ray inspection tools to check for hidden defects, and they're certified to AS9100 (the gold standard for aerospace manufacturing) and ISO 13485 (for medical devices).

"We don't just solder components—we build trust," says BCT's technical director, Kamal Hossain. "A European aerospace client once sent us a PCB with 300+ fine-pitch through-hole parts. Our defect rate was 0.01%, which beat their previous supplier's 0.5% rate. They've been with us ever since." If your project demands military-grade precision, BCT is worth every penny.

Sustainability isn't just a buzzword for GreenSolder Manufacturing—it's their core mission. Founded in 2015, this Dhaka-based supplier is on a mission to make electronics manufacturing eco-friendly, starting with their dip plug-in welding process.

GreenSolder uses 100% lead-free solder and recycles 95% of their waste materials, including excess solder and cleaning solvents. They've also invested in energy-efficient wave soldering machines that cut electricity use by 30% compared to traditional models. "We believe you don't have to choose between quality and sustainability," says their founder, Salma Begum. "Our clients—mostly European green tech startups—love that their products are both high-performing and eco-conscious."

Beyond sustainability, GreenSolder offers solid technical expertise. They specialize in low-volume, high-mix production (great for startups testing new designs) and provide detailed sustainability reports with every order. If your brand values environmental responsibility, GreenSolder is the partner for you.

When time is of the essence, RapidWeld Solutions delivers. As their name suggests, this supplier prides itself on lightning-fast lead times—often as short as 3–5 days for prototype orders. How do they do it? A streamlined workflow, 24/7 production shifts, and a team of technicians trained to prioritize urgent projects.

RapidWeld's sweet spot is small to medium batches (100–5,000 units). They work with startups and SMEs that need to get products to market quickly, offering services like dip soldering, PCB assembly, and basic functional testing. "A local robotics startup came to us with a deadline: they needed 200 control boards for a trade show in a week," says their production manager, Anwar Hossain. "We ran two shifts, skipped weekends, and got them done in 6 days. They won 'Best New Product' at the show—that's the RapidWeld difference."

While speed is their claim to fame, they don't skimp on quality. They're ISO 9001 certified and use automated optical inspection (AOI) to catch defects early. If you're racing to meet a launch date, RapidWeld is your go-to.

Precision Circuits Bangladesh (PCB)—no relation to the "PCB" in printed circuit board—lives up to its name with a focus on micro-precision dip soldering. They specialize in PCBs for wearables, drones, and other miniaturized devices where components are smaller than a grain of rice.

Their facility in Gazipur is equipped with micro-wave soldering machines that can handle components as small as 0402 (0.04 inches by 0.02 inches). They also offer custom tooling for unique component shapes, a service that's been a hit with clients in the robotics and AI space. "We once had a client with a sensor PCB that required soldering a 0.5mm pitch connector," explains their lead engineer, Fatima Khatun. "Most suppliers said it was impossible, but we designed a custom fixture and nailed it on the first try."

Precision Circuits is also big on transparency. They provide clients with real-time production updates via a secure portal, so you always know where your order stands. If your project involves tiny components and tight tolerances, this is the supplier for you.

Eastern Welding & Assembly Ltd. is a family-owned business with deep roots in Bangladesh's manufacturing community. Founded in 1998, they've weathered industry changes and emerged as a trusted partner for both local and international clients. Their secret? A focus on long-term relationships.

Eastern Welding offers a full suite of services, including dip plug-in welding, SMT assembly, and component sourcing. They're known for their flexibility—if you need to tweak a design mid-production, their team will work with you to adjust without hiking up costs. "We've been working with a German automotive parts company for 15 years," says third-generation owner, Nafis Ahmed. "They appreciate that we treat their projects like our own. When they needed to switch to a new component mid-run, we absorbed the cost of retooling—no extra charge. Loyalty goes both ways."

Certifications include ISO 9001 and IATF 16949 (for automotive manufacturing), and they offer competitive pricing for bulk orders. If you value a supplier that feels like an extension of your team, Eastern Welding is a great fit.

Metro Electronics Manufacturing is all about affordability—without sacrificing quality. They cater to budget-conscious clients, offering some of the lowest rates in Bangladesh for dip plug-in welding services. How do they keep costs down? Efficient operations, bulk purchasing of solder materials, and a focus on high-volume orders.

Don't let the low prices fool you, though. Metro is ISO 9001 certified and uses automated wave soldering machines to ensure consistency. They're a favorite among consumer electronics brands producing low-cost devices like calculators, remote controls, and basic home appliances. "We produced 500,000 remote control PCBs for a local brand last year," says their sales director, Sharmin Akter. "Our price was 15% lower than competitors, and their defect rate was under 0.1%. That's value for money."

Metro's MOQ is higher (10,000+ units for bulk pricing), so they're best for established brands with large production runs. If you need to scale affordably, they're worth a look.

Advanced Circuits & Welding (ACW) is a niche player with a focus on high-reliability industries: medical devices, industrial automation, and renewable energy. They're one of the few suppliers in Bangladesh with ISO 13485 certification (for medical manufacturing) and UL certification for safety-critical components.

ACW's strength lies in their attention to detail. Each PCB undergoes multiple inspections: first by AOI, then by manual technicians, and finally by functional testing. They also offer traceability—you can track every component from sourcing to soldering, which is crucial for medical and aerospace clients. "A client in the solar energy sector needed PCBs that could withstand extreme temperatures," says their quality manager, Zahirul Islam. "We tested each board at -40°C to 85°C, and not a single one failed. They've been ordering 10,000 units quarterly ever since."

While they're pricier than some competitors, ACW's certifications and reliability make them a top choice for projects where failure isn't an option.

Rounding out our list is National Electronics Welding Co. (NEWC), a government-backed supplier with a focus on supporting local manufacturing. Founded in 1985, NEWC has played a key role in building Bangladesh's electronics industry, training thousands of technicians and partnering with vocational schools to develop talent.

NEWC offers a range of services, including dip plug-in welding, PCB design, and component sourcing. They're particularly strong in serving small and medium local businesses, offering subsidies and flexible payment terms to help startups grow. "We believe in investing in Bangladesh's future," says their managing director, Dr. M. Rahman. "A local LED bulb manufacturer started with us 10 years ago, making 100 units a month. Today, they export to 5 countries—we're proud to have been part of their journey."

While their technology isn't the most cutting-edge, NEWC's commitment to the local ecosystem and affordable pricing make them a great partner for homegrown brands.