Powering the World Since 1998 – Your Trusted Inverter Manufacturer
Congsin is a professional inverter manufacturer with over 27 years of experience in the power electronics industry. Based in China, we specialize in the full spectrum of inverter products, including pure sine wave inverters, modified sine wave inverters, MPPT solar controllers, battery chargers, and DC-DC converters. Our advanced factory and experienced R&D team enable us to deliver OEM & ODM customized power solutions to clients worldwide.
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Certified for Global Markets – CE, ETL, RoHS & More
All Congsin products are built to meet international quality and safety standards. We hold multiple certifications, such as CE, EMC, LVD, ETL, and RoHS, making our products compliant with regulatory requirements in the United States, Europe, and Southeast Asia. Whether you need certified inverters for Amazon, eBay, Walmart, or local retail, we’ve got you covered.
OEM/ODM Services – Private Label & Custom-Built Power Devices
We offer complete OEM support, including logo printing, custom packaging, parameter adjustments, and multilingual user manuals. Our clients include B2B distributors, importers, brand owners, Amazon sellers, and project integrators. With fast turnaround from prototype to shipment (as fast as 7 days), Congsin helps you build your brand with factory-direct pricing and high-volume capacity.
Why Choose Congsin as Your Inverter Supplier?
- 🔋 27+ years of manufacturing experience
- ⚙️ Full-range inverter production: 300W to 6000W+
- 🌐 Certified for U.S. and EU markets
- 📦 Fast delivery and custom packaging
- 🏷️ Flexible MOQ & private label support
- 💬 Multilingual support team (English, Spanish, etc.)
Partner with a Reliable Chinese Inverter Factory
At Congsin, we believe in long-term partnerships. If you’re a U.S. distributor, electrical wholesaler, RV dealer, or eCommerce seller, contact us today to request catalogs, price lists, and sample kits. We are ready to help you grow your business with dependable inverter solutions at scale.