OEM & ODM Services
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
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
What Can Be Customized
We support customization at multiple levels based on your business goals, target market, and product positioning:
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:
Our CS1000DDBC 1000W modified sine wave inverter is a professional power conversion device that converts DC 12V from batteries into AC 220V electricity. It is designed with user convenience in mind, featuring an LED display for real-time status monitoring, multiple charging ports (3 USB, 1 Type-C, 1 DC 12V) and two universal sockets to power a wide range of devices simultaneously. Its compact size (250×95×55mm) and lightweight design (NW: 0.84kg) make it easy to carry, ideal for outdoor activities, emergency home use, and on-the-go power needs.
Our CS1000DDBC 1000W modified sine wave inverter is a professional power conversion device that converts DC 12V from batteries into AC 220V electricity. It is designed with user convenience in mind, featuring an LED display for real-time status monitoring, multiple charging ports (3 USB, 1 Type-C, 1 DC 12V) and two universal sockets to power a wide range of devices simultaneously. Its compact size (250×95×55mm) and lightweight design (NW: 0.84kg) make it easy to carry, ideal for outdoor activities, emergency home use, and on-the-go power needs.
This 150W modified sine wave car inverter supports dual DC12V/24V input and AC220V output. It is equipped with a Type-C port, two 3.1A USB ports, and a national standard socket. It is compact and portable, providing stable AC power conversion in various scenarios such as in the car, meeting the power supply needs of mobile phones, tablets, small home appliances and other devices.
Pure sine waveform output with built-in transformer and AvR stabilizer(Specially designed to startup inductive
loads such as air conditioner,refrigerators, motors, water pumps, compressorsand laser printers)
Solar hybridinverter built-in 8oA MppT solar controller and ACcharger.
Output voltage(200V/210V/220V/230V/240V)&Output frequency(50Hz/60Hz) can be manuallyregulated at site.
Support Lead acid battery/Gel battery/lithium iron phosphate battery/ternary lithium battery/customized battery.
RS232/RS485 Communicationsportis available.
3 times start-up peak power ofresistingvoltaicimpingement, excellent loading capability.
High conversion efficiency is up to 90%.
Built-in Lithium battery activation function
PVarray Open circuit voltage 230v DC
Support 3 working modes:Mains priority,Battery priority,Pv priority
This 500W modified sine wave inverter has UPS charging function, with DC12V input and AC220V output, and 360W power. It integrates power conversion and charging, with a compact appearance, providing stable AC power support in various scenarios to meet the power supply and emergency charging needs of home, office and outdoor equipment.
This 150W modified sine wave car inverter supports dual DC12V/24V input and AC220V output. It is equipped with a Type-C port, two 3.1A USB ports, and a national standard socket. It is compact and portable, providing stable AC power conversion in various scenarios such as in the car, meeting the power supply needs of mobile phones, tablets, small home appliances and other devices.
The CS1000USB Modified Sine Wave Inverter is a reliable and portable power converter designed for home and vehicle use. It converts DC 12V to AC 220V with a rated output of 600W (peak 1000W). Equipped with a USB port and universal socket, it allows users to power laptops, TVs, and tools and charge mobile devices anytime, anywhere.
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.
✧ Annual capacity: 200,000+ units of inverters
✧ 10+ assembly lines with auto-testing stations
✧ PCB design, firmware programming, EMS development
✧ Testing platforms for overload, surge, and EMC
✧ PCB assembly & calibration systems
✧ 24h aging test cabinets, EMC chambers
✧ 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.
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.
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.
CONGSIN is a trusted OEM factory for power inverters, solar charge controllers, and DC converters. Reliable solutions for global B2B buyers.
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