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Hight Quality Efficiency Safety and Reliability

PV Combiner Box Manufacturer

Accept OEM | All Certificates | Factory Direct Sale


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15+ Years

Manufacturing experience

1 Grade

Consistent quality standard

50+

Exported Countries

130+

Employees

100%

Self-developing

10000m²

Factory area

Product List

Specifically designed for solar PV plants to improve the efficiency and reliability of the plant, our PV String Box uses state-of-the-art technology to provide high efficiency, safety and reliability. It can effectively reduce the failure rate and maintenance cost of the power plant, while increasing power generation and revenue

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Our Factory

Onesto ranked itself among the top intelligent manufacturers in China with the newly introduced most advanced automation line. The whole manufacturing processfrom raw material incoming to finished products outgoing is operated under lSO9001 quality management system with introduction of advance ERP system and in house testing laboratory, Onesto achieves management of whole process quality tracking.

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Our Certificates

Onesto is a name of quality that focuses on customer’s safety and satisfaction. The company is operated under ISO9001:2015 Quality Management System. All the products are manufactured in conformity with BS,EN,IEC international standards and acquired CE,CB, TUV,SEMKO,SAA,KEMA-KEUR, UL certificates. Onesto owns independent intellectual property rights for its product range including domestic and international patents. Main products were covered by liability insurance issued from PICC with 2 million USD limit of aggregate.

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Exhibition

Onesto has been committed to promoting the latest technology and products, and participating in top-ranking fairs in Europe, the Middle East, Asia, South America and other regions to showcase the latest developments and hold in-depth business cooperation discussions with visitors. We believe that face-to-face communication is an important step in establishing long-term partnerships, so we attach great importance to communication with customers and partners. We believe that in future cooperation, we will work together with all parties to achieve a win-win situation in a broader market.

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Our Team

Our team is made up of people from diverse backgrounds, each bringing their unique skills and perspectives to the table. We firmly believe that this diversity is what makes us strong. We value collaboration and communication, working together to achieve our shared goals. Our team members are not just employees; they are partners in our mission. We encourage them to take ownership of their work and to share their ideas freely. This approach has led to some of our most innovative solutions and breakthroughs.

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