About TREASUN

Treasun New Energy Technology Co., Ltd. is a professional PV connector manufacturer in China.

We specialize in developing and manufacturing high-performance photovoltaic connection products, including PV connectors, MC4 compatible connectors, solar cable connectors, junction boxes and wiring harness assemblies.

Our products are designed for safe, stable and efficient electrical connections in global solar PV applications.

Treasun PV connector manufacturer factory and solar connection products

Professional Solar Connection Product Portfolio

Treasun provides a complete range of solar connection products:

  • PV Connectors
  • MC4 Compatible Connectors
  • Solar Cable Connectors
  • Solar Panel Connectors
  • Branch Connectors
  • Fuse Connectors
  • Diode Connectors
  • PV Junction Boxes
  • Solar Wiring Harness Assemblies

Our products support various solar applications with reliable electrical performance and long-term outdoor durability.

Advanced PV Connector Manufacturing Capability

Treasun operates a professional manufacturing system covering product development, precision molding, automated assembly, quality inspection and global delivery. Our manufacturing capabilities enable us to provide consistent product quality, flexible customization and reliable supply for international solar companies.

Quality Control and International Certifications

Quality and safety are the foundation of Treasun's PV connector manufacturing.

Our products comply with international standards and are available with certifications including TÜV, UL, CE and RoHS requirements.

Every production stage is controlled through strict inspection procedures to ensure electrical safety, mechanical reliability and long-term outdoor performance.

TÜV

TÜV Rheinland

Certified to IEC 62852 & EN 50521 international standards for PV connectors

UL

UL Listed

UL 6703 certified for photovoltaic connectors and junction boxes

CE

CE Marking

Compliant with European Union health, safety & environmental requirements

RoHS

RoHS Compliant

Restriction of Hazardous Substances directive compliance for environmental safety

OEM and Customized Solar Connector Solutions

As an experienced PV connector manufacturer, Treasun provides OEM and customized solar connection solutions.

We support:

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Customized Connector Design

Tailored connector specifications to match your project requirements

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Cable Assembly Solutions

Professional cable assembly and wiring harness manufacturing

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Product Labeling

Custom branding and labeling options for your market needs

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Packaging Customization

Flexible packaging solutions for different distribution channels

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Technical Support

Engineering team works closely with customers for reliable connection solutions

Applications of Treasun Solar Connection Products

Treasun solar connectors are widely used in:

  • Residential Solar PV Systems
  • Commercial Rooftop Solar Projects
  • Utility-Scale Solar Power Plants
  • Energy Storage Systems
  • Renewable Energy Applications

Our products provide secure and efficient electrical connections in various environmental conditions.

China PV Connector Manufacturer Serving Global Markets

Located in China, Treasun combines advanced manufacturing technology, engineering expertise and efficient supply chain management to provide competitive PV connector solutions for customers worldwide. We work with solar installers, distributors, EPC companies and renewable energy enterprises across global markets.

Our Journey

Key milestones in Treasun's growth as a PV connector manufacturer

  • 2009 — Company founded in Chang'an Town, Dongguan, Guangdong, China
  • 2011 — Achieved TÜV Rheinland certification (IEC 62852) for MC4-compatible solar connectors
  • 2013 — Expanded product line to include PV junction boxes and cable assemblies
  • 2015 — Obtained UL Listed certification (UL 6703) for photovoltaic connectors
  • 2018 — Launched harness wire series for large-scale solar installations
  • 2020 — Expanded manufacturing capacity with automated production lines
  • 2022 — Achieved 1500V DC rating across full product range
  • 2024 — Continued R&D investment for next-generation PV connection solutions
  • Frequently Asked Questions

    What products does Treasun manufacture?

    Treasun manufactures professional solar connection products, including PV connectors, MC4 compatible connectors, solar cable connectors, junction boxes and wiring harness assemblies. Our products are widely used in residential, commercial and utility-scale solar PV systems worldwide.

    Is Treasun a PV connector manufacturer or trading company?

    Treasun is a professional PV connector manufacturer in China. We operate an integrated manufacturing system covering product development, production, quality inspection and customized solutions, ensuring reliable product quality and stable supply for global solar customers.

    Can Treasun provide OEM solar connector solutions?

    Yes. Treasun provides OEM and customized solar connector solutions, including connector customization, cable assemblies, labeling and packaging services. We support global distributors, installers, EPC companies and renewable energy brands with flexible manufacturing solutions.

    Need Reliable PV Connectors for Your Solar Project?

    Contact our team for product specifications, OEM solutions, or a customized quotation. We respond within 24 hours.

    Contact Us Today
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