Build high-performance, safe solar PV systems efficiently with LETOP’s expertly designed combiner boxes.
For OEM partners and ODM clients, selecting a component manufacturer goes beyond just product specifications. You need a reliable partner committed to consistent quality, scalable production, design collaboration, and protecting your brand reputation.
LETOP specializes in OEM and ODM manufacturing services for solar combiner boxes. With over 20 years of industry experience, state-of-the-art production facilities (22,000 sqm, 16+ lines), and a dedicated engineering team, we seamlessly extend your operations.
We deliver customized or fully bespoke combiner box solutions that work seamlessly with your systems, meet rigorous international standards (IEC/EN 61439 certified), and are manufactured under strict quality control to uphold your brand’s promise.
We understand that every solar project is unique. Find the perfect LETOP combiner box solution organized by what matters most to you.
Designing combiner boxes that fit precisely within your existing product architecture or system specifications.
Guaranteeing every unit delivered meets your quality standards and reflects positively on your brand identity.
Securing a manufacturing partner capable of handling fluctuating volume demands without compromising lead times or quality.
Balancing upfront costs with long-term reliability and efficient supply chain management.
We demand absolute discretion and security for your proprietary designs and specifications.
Needing a partner with the technical expertise to co-develop solutions or optimize existing designs for manufacturability and cost.
As an exclusive partner of engineering installers and electrical wholesalers, LETOP takes modular design + flexible supply chain as the core to help you quickly respond to end-customer needs and seize the opportunities in the residential and industrial and commercial photovoltaic markets.
Our experienced engineers work closely with your team, offering design review (24hr feedback), component selection advice, and full custom design (ODM) services.
Our strategic location in China's PV electrical component hub ensures access to a mature supply chain for better component sourcing and cost-effectiveness.
Leverage our 16+ production lines and 22,000 sqm facility for efficient production from prototypes to high-volume runs.
Offer options for custom enclosure colors, logos, labels, and packaging to match your brand identity.
We implement 100% product testing, full process monitoring, and utilize high-quality, certified components to ensure every unit meets agreed-upon specifications. (E-E-A-T: Trustworthiness)
Our products are designed and manufactured to meet IEC/EN 61439 standards and can assist with specific certification requirements.
We understand that every solar project is unique. Find the perfect LETOP combiner box solution organized by what matters most to you.
Initiate a confidential discussion with our dedicated OEM/ODM team to explore how LETOP can become your trusted manufacturing partner.
Here you can find some of your common questions related to this topic, which can help answer your doubts.
In order to provide an accurate quote, we need to know your desired product model, quantity, customization options (e.g. branding, printing, packaging, etc.), and any specific technical requirements.
We are happy to provide FREE samples. You only need to provide the courier account number or pay the shipping cost to get FREE samples for testing. Please contact our sales team for more details.
Our MOQ is according to the product and customized service. Please check services. You can also consult our expert team.
Yes, we offer discounts for high volume orders. The discount rate depends on the size of the order and the complexity of the customized service. Please consult our team of experts for specific information.
Our standard delivery time is 7-10 days based on 200 pieces. Specific delivery time will vary according to your order size, degree of customization and our production plan. We will provide an estimated delivery time when quoting.
Yes, we offer custom packaging services including brand printing, custom packaging and design to meet your specific needs. For more details, please visit Services. Or contact our technical team to discuss your needs.
We offer custom development services to meet your specific needs. Please see services for more details. Please contact our technical team to discuss your requirements.
T/T payment terms. We can also provide local collection accounts. Please consult our service team for details.
We provide comprehensive after-sales services, including product consulting, technical support and warranty services. Our professional team is ready to help solve your problems.
If no relevant issues are found, please contact us, E-mail:[email protected].
If you have any questions, please contact us and we will reply within 24 hours.
No. 19, Fenjin Road, Dongfeng Industrial Zone, Yueqing, Wenzhou, China 325604
+86-13175631986
