There are several factors that set SOSEN apart from our competitors. Firstly, our commitment to innovation and R&D allows us to constantly improve and refine our products, ensuring they meet the highest standards of quality and efficiency. Secondly, we have a strong focus on customer satisfaction and after-sales support, which has helped us build a loyal customer base over the years. Additionally, our expertise in the field and our reputation as a reliable and trustworthy brand have contributed to our success in the market, we're recognized as a leading national high-tech enterprise in China.

At SOSEN, we pride ourselves on the quality of our energy storage inverters. Our core power components are sourced from reputable first-line brands like Infineon, ON Semiconductor, STMicroelectronics, Farah, Jianghai, and Hongfa, ensuring reliability and high performance. Additionally, most of our products come with a 10-year warranty, demonstrating our commitment to long-term satisfaction and support for our customers.

All our products come with comprehensive user manuals.

SOSEN's product markets primarily encompass Europe, Australia, and Japan. Our certifications include UN38.3, MSDS, TUV (UL2743), FCC, PSE, MIC, CE, RoHS, and more. All certifications comply with local sales requirements.

We offer spare parts sales to accommodate customizations for our customers. For detailed information, please consult our sales team.

Please reach out to our sales team for further details.

Yes, we can provide samples for your inspection. In fact, we always recommend obtaining samples for approval prior to initiating production. We believe this practice ensures alignment and helps prevent misunderstandings.

We are delighted to collaborate with startups. Given our industry expertise and extensive project experience, the new energy products sector remains largely untapped, presenting significant growth opportunities for companies entering this space. In fact, we have assisted numerous companies in achieving considerable success in their respective local markets.

For small packages shipped from China via express delivery, the average delivery time is approximately 12 days. For large batch shipments sent from China by sea, the average delivery time is about 45 days. For small packages dispatched from our overseas warehouses in the United States, Canada, or Europe via express delivery, the average delivery time ranges from 2 to 7 days.

We can dispatch goods from either China or our overseas warehouses located in the USA, Canada, or Europe.

If your order is shipped from China or our overseas warehouses in the United States, Canada, or the European Union via express delivery, you will receive a tracking number on the day of dispatch to track your delivery on the carrier's website. If shipped from China, our specialists will provide updates on the logistics status for you.

You may be subject to taxes based on the regulations of the country or region in which you reside. Customs duty refers to tariffs or taxes imposed on goods when they cross international borders. The objective of Customs Duty is to safeguard each country's economy, residents, jobs, environment, etc., by regulating the inflow and outflow of goods, particularly restricted and prohibited items.

If you wish to incorporate your own logo onto the product, please send us the vector diagram of the logo along with its designated placement. For color customization, kindly provide the Pantone color number. Should you require changes to packaging or instructions, please furnish relevant design documents or authorize us to design them on your behalf. For specific inquiries, our sales team will provide tailored guidance.

The feasibility of changes during production depends on the current stage of production and the nature of the modifications. If adjustments are necessary, please notify us promptly with details of the desired changes. If feasible, kindly follow up with an email for formal confirmation.

Subject to meeting the Minimum Order Quantity (MOQ), we can accommodate your request for related services.

It covers the damage caused by the design and quality of the product, as well as the product itself, but does not involve man-made or malicious damage.

Damage caused by not following the safe operation procedures, man-made damage, disassembly of the product by yourslef, etc.