Leading manufacturer of photovoltaic connectors, junction boxes, cables and harness wire assemblies. TUV & UL certified, engineered for global solar power stations.
Contributing to the development of leading energy-saving technology — from high-performance solar PV connectors to complete solar PV connection solutions for residential, commercial and utility-scale applications.
Conector fusible profesional para sistemas solares FV con rendimiento estable, s...
Conector diodo profesional para sistemas solares FV con rendimiento estable, seg...
Caja de conexiones profesional para sistemas solares FV con rendimiento estable,...
Caja de conexiones profesional para sistemas solares FV con rendimiento estable,...
Arnés de cables profesional para sistemas solares FV con rendimiento estable, se...
Conector de cable profesional para sistemas solares FV. Conexión fiable, imperme...
Treasun New Energy Technology Co., Ltd. (TREASUN) is a professional and integrated energy provider, specializing in designing & manufacturing innovative, efficient and durable solar products for global renewable energy applications.
Complete industrial chain from R&D and mold development to precision manufacturing, quality inspection, global sales and customer service.
Professional R&D team continuously investing in technological innovation and product upgrades to meet evolving market demands.
Products certified to TÜV, UL, CE and RoHS standards, exported to Europe, America, Australia, Southeast Asia and beyond.
Promoting a low-carbon economy and leading a green lifestyle — bringing clean solar energy to households worldwide.
TREASUN adheres to the philosophy of “Technology Drives Quality” with a complete industrial chain covering every stage from product development to customer service
From a specialized PV connector manufacturer to a global solar connection solutions provider
Company founded in Dongguan, China, focusing on solar PV connector manufacturing
Achieved TÜV & UL certifications; expanded to junction boxes & cable assemblies
Launched full harness wire series; upgraded to automated production lines
1500V DC rating across full product range; serving 50+ countries worldwide
Continuous R&D investment for next-gen PV solutions — building a world-class brand
Trusted by installers and project developers worldwide for quality, reliability and performance
Conector fusible profesional para sistemas solares FV con rendimiento estable, s...
Conector diodo profesional para sistemas solares FV con rendimiento estable, seg...
Caja de conexiones profesional para sistemas solares FV con rendimiento estable,...
Caja de conexiones profesional para sistemas solares FV con rendimiento estable,...
Arnés de cables profesional para sistemas solares FV con rendimiento estable, se...
Conector de cable profesional para sistemas solares FV. Conexión fiable, imperme...
All Treasun products meet rigorous international standards for safety, performance and environmental compliance
Certified to IEC 62852 & EN 50521 international standards for PV connectors
UL 6703 certified for photovoltaic connectors and junction boxes
Compliant with European Union health, safety & environmental requirements
Restriction of Hazardous Substances directive compliance for environmental safety
Trusted by solar professionals across 50+ countries for quality, reliability and technical support
“We have been sourcing PV connectors from Treasun for three years now. Their TUV-certified MC4 connectors have performed flawlessly across our 50MW installation. The consistency in quality batch after batch is what keeps us coming back. When you are m...”
50MW Utility-Scale Solar Farm: Reliable MC4 Connectors for German Engineering Standards
“As a UK-based installer, delivery speed and compliance with UK wiring regulations are critical for us. Treasun not only delivered on time for all five of our commercial rooftop projects, but their technical team also helped us select the right juncti...”
Rooftop Solar for UK Commercial Properties: Fast Delivery and Local Support
“The pre-assembled harness wires from Treasun saved us weeks of field labor. In Italy, we face high temperatures in summer, and working with pre-made assemblies meant our installation crew could focus on mounting and connection rather than crimping hu...”
Solar Farm Interconnection in Italy: Cost-Effective Harness Wire Solution
Focused facility in Dongguan, China dedicated exclusively to PV connection components since establishment
Every product range certified to TÜV, UL, CE and RoHS standards with rigorous quality control processes
Serving customers in over 50 countries with reliable supply chain and competitive pricing
Experienced engineering team providing product selection guidance and application support
Industry insights, product updates and company news from the solar PV connection industry
Whether you need product specifications, a custom quotation, or technical consultation, our team is ready to assist. We typically respond within 24 hours.
