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Professional supplier of power supply products

OEM & ODM Services

Congsin is a leading manufacturer specializing in DC-to-AC power inverter and energy conversion solutions with over 27 years of expertise. We provide full-service OEM & ODM manufacturing for global brands, distributors, and energy solution providers. Our products span residential, commercial, and industrial applications, including power inverters, solar battery systems, portable power stations, and customized power solutions. With clients in 150+ countries and strong R&D capabilities, we transform your ideas into reliable power solutions that align with your brand and market needs.

OEM Services

Our OEM (Original Equipment Manufacturing) service allows you to launch Congsin-manufactured power conversion products under your own brand, delivering fast go-to-market capability with proven quality.

✧ Logo & Branding Customization

✧ Housing Color & Label Printing

✧ Packaging Design & Labeling

✧ Standard Technology Adaptation

Customize Now
Customization - Congsin

ODM Services

Our ODM (Original Design Manufacturing) services cover complete design, development, and production of fully customized power solutions — from appearance to specification. Ideal for brands seeking differentiated, proprietary technology in energy conversion markets.

✧ Full Structural & Industrial Design

✧ Custom Electrical Specifications (e.g. Voltage, Output, Wattage)

✧ Complete PCB/Software Development

✧ Tailor-made Features (App/Smart Control/Ports)

✧ Market- and Application-specific Solutions

Customize Now
ODM SERVICES - Congsin

What Can Be Customized

We support customization at multiple levels based on your business goals, target market, and product positioning:

best buy car inverter - Congsin
Design & Structure
External casing, size, port layout
car battery inverter - Congsin
Technical Specs
Voltage, power rating, wave outputs, battery type
Branding - Congsin
Branding
Silk-screen logo, nameplate, color accents
car lighter inverter - Congsin
Packaging
Color box, manuals, labels, barcode
car lighter inverter - Congsin
Smart Control
App integration, display screen, protection features
Certifications - Congsin
Certifications
CE, RoHS, FCC, MSDS, country compliance

Latest Power Supply Product Recommendations

Congsin offers a comprehensive range of power supply products, designed to meet the diverse needs of modern applications with advanced technology and high reliability. Our series include:

1500W car inverter (8) - Congsin
Congsin 1500W Inverter for Vehicle DC 12V/24V to AC 110V/220V with Universal socket Modified Sine Wave
The Congsin 1500W car inverter converts DC 12V/24V to AC 110V/220V with a modified sine wave, featuring a universal socket. Ideal for vehicle use, this reliable 1500W inverter powers multiple devices safely and efficiently on the go. Perfect for various car and truck applications.
Congsin 1500W Inverter for Vehicle DC 12V/24V to AC 110V/220V with Universal socket Modified Sine Wave
1000W modified sine wave inverter with LED display (2) - Congsin
Congsin 1000W modified sine wave inverter with LED display and Type C port car RV power inverter
The Congsin 1000W modified sine wave inverter with LED display and Type C port delivers reliable car and RV power conversion. Featuring an intuitive LED display and fast Type C charging, it ensures efficient, stable energy supply for your mobile devices on the go. Ideal for outdoor and travel use.
Congsin 1000W modified sine wave inverter with LED display and Type C port car RV power inverter
500w - Congsin
Congsin Modified Sine Wave Inverter 500W 1000W 1500W 12V LED Display Portable for RV Car Solar
The Congsin Modified Sine Wave Inverter (500W, 1000W, 1500W) offers reliable 12V power with LED display, ideal for RV, car, and solar use. As the best modified sine wave power inverter, it ensures efficient, portable energy conversion for your mobile and off-grid needs.
Congsin Modified Sine Wave Inverter 500W 1000W 1500W 12V LED Display Portable for RV Car Solar
1500W modified sine wave inverter (2) - Congsin
Congsin 1500W modified sine wave inverter with LCD display and USB ports for RV car boat home use
The Congsin 1500W modified sine wave inverter with LCD display and USB ports delivers reliable power for RVs, cars, boats, and homes. Efficient and versatile, it ensures stable energy conversion with easy monitoring via the LCD screen. Ideal for on-the-go or stationary use.
Congsin 1500W modified sine wave inverter with LCD display and USB ports for RV car boat home use
1000W Pure sine wave inverter  (5) - Congsin
Congsin 1000W pure sine wave inverter 12V DC to AC Power Inverter with remote control for Car RV
Congsin 1000W pure sine wave inverter 12V DC to AC Power Inverter with remote control delivers reliable, clean power for your Car or RV. This 1000W 12V pure sine inverter ensures stable performance and easy control from a distance, perfect for on-the-go energy needs.
Congsin 1000W pure sine wave inverter 12V DC to AC Power Inverter with remote control for Car RV
150W car inverter - Congsin
Congsin 150W Car Power Inverter 12V to 220V Modified Sine Wave Portable DC to AC

The Congsin 150W Car Power Inverter converts 12V DC to 220V AC with a reliable modified sine wave, perfect for powering devices on the go. As the best 12V car power inverter, it’s compact, portable, and ideal for any car inverter needs. Durable and efficient for travel or work.

Congsin 150W Car Power Inverter 12V to 220V Modified Sine Wave Portable DC to AC
best car power inverter - Congsin
Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter

This 2000W full-power modified sine wave inverter is a patented model of our factory, with DC12V input and AC220V output. Equipped with an LED display, three AC output sockets, four USB ports, and independent control switches for DC and AC, it can provide stable power conversion for high-power devices and various electronic devices in multiple scenarios, meeting the power needs of home emergencies, outdoor operations, small commercial equipment and other scenarios.

Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter
Golden-002_副本_结果 - Congsin
Congsin 1000W Power Inverter with UPS Modified Sine Wave LCD Display Gold for Car Home Solar
The Congsin 1000W Power Inverter with UPS features a reliable modified sine wave and an easy-to-read LCD display. Perfect for car, home, and solar use, this 1000W DC to AC inverter with auto UPS ensures seamless power backup and efficient energy conversion.
Congsin 1000W Power Inverter with UPS Modified Sine Wave LCD Display Gold for Car Home Solar

Your Product, Our Expertise: Congsin’s Customization Process

Every stage of our process—design, prototyping, certification, and production—is carefully managed to guarantee precision and quality.

01

Project Consultation

Collect and analyze brand needs, application scenarios, and target specs.

02

Design & Technical Proposal

Render industrial concepts and electrical configurations for approval.

03

Sample & Prototype Testing

Create functional samples/prototypes for full testing and quality validation.

04

Contract & Mass Production

Sign agreement and begin production with automated machinery.

05

Quality Control

Conduct strict QC including aging tests, load tests, vibration tests.

06

Global Delivery & After-sales Support

Provide logistics, warranty, and long-term support for distributors.

Congsin's Production & R&D Strength

At Congsin, we combine state-of-the-art production facilities with innovative R&D expertise to deliver high-quality, customized solutions.

CONGSIN Factory-04 - Congsin
Factory Capacity
✧ 2 production bases, 10,000m² total
✧ Annual capacity: 200,000+ units of inverters
✧ 10+ assembly lines with auto-testing stations
CONGSIN Factory-05 - Congsin
R&D Capabilities
✧ 15+ engineers specialized in power electronics
✧ PCB design, firmware programming, EMS development
✧ Testing platforms for overload, surge, and EMC
Core Equipment - Congsin
Core Equipment
✧ SMT production lines
✧ PCB assembly & calibration systems
✧ 24h aging test cabinets, EMC chambers
Quality Assurance - Congsin
Quality Assurance
✧ CE, RoHS, FCC certified products
✧ ISO9001 quality management system

After-Sales Service & Support

✧ Technical Training & Manuals

✧ 1–3 Year Warranty Options

Congsin is more than a manufacturer — we’re your long-term partner in power innovation and product success.

Get in Touch
After-Sales Service & Support - Congsin

Frequently Asked Questions

Still have questions?

Delve into our list of frequently asked questions about stage effects equipment. Here, we address and clarify your top concerns.

More Answers
OEM & ODM Services
What certifications do your products comply with?

All products meet CE, RoHS, FCC, and other market-specific compliance standards.

Do you provide support for shipping and customs clearance?

Yes, we offer international logistics solutions including export documentation and customs advice.

What’s the main difference between your OEM and ODM services?

OEM uses your brand on our standard products; ODM creates entirely new products based on your concept or specification.

Can I order samples before production?

Yes, we offer sample evaluation and prototype testing.

Get in Touch With Congsin

You can also communicate with us directly through our online contact form. Please fill in the following information, and our team will contact you as soon as possible after receiving your message.

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customized my Products

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