Wing Solar
Wing Solar
In the rapidly evolving landscape of renewable energy, the PV Cable 4mm2 has emerged as the global industry standard for DC interconnections within photovoltaic arrays. As nations strive toward net-zero emissions, the demand for reliable, high-efficiency wiring has skyrocketed. The 4mm2 cross-section is specifically favored because it provides the optimal balance between current-carrying capacity and flexibility, minimizing voltage drop over long strings while remaining cost-effective for large-scale deployments.
Globally, the solar sector is transitioning from 1000V to 1500V systems to reduce balance-of-system (BOS) costs. This shift requires cables that can withstand higher electrical stress and harsher environmental conditions. Our 4mm2 PV cables, manufactured in China, are engineered to meet these rigorous demands, serving utility-scale solar farms in the deserts of the Middle East, floating solar projects in Southeast Asia, and residential rooftop arrays across Europe and North America.
The industry is moving away from the older PV1-F standard toward the more stringent EN 50618 (H1Z2Z2-K) certification. This newer standard mandates that cables be halogen-free, flame retardant, and have a service life of at least 25 years under extreme weather conditions.
With the rise of bifacial solar panels that capture sunlight from both sides, cables are now exposed to more indirect UV radiation and heat. Our cables use advanced XLPO cross-linked polyolefin insulation to ensure thermal stability up to 120°C.
Global buyers are increasingly looking for "One-Stop Shop" suppliers. Beyond just the 4mm2 cable, there is a trend toward sourcing pre-assembled cable harnesses and connectors (MC4 compatible) to reduce on-site labor costs.
We don't just provide cables; we provide the arteries for cutting-edge solar modules. Our expertise spans nearly 20 years in the solar industry, reflecting a deep understanding of how N-Type technology and high-efficiency panels interact with wiring infrastructure.
Perfectly paired with our 4mm2 PV wire for high-efficiency home energy systems.
Designed for large rooftops where our weatherproof 4mm2 cables ensure long-term ROI.
As a leading China PV Cable 4mm2 supplier, we operate state-of-the-art Industry 4.0 production facilities. With a current capacity of 3GW and a roadmap to reach 10GW by 2026, we offer the scalability required by global EPC (Engineering, Procurement, and Construction) firms. This volume allows us to maintain competitive pricing without compromising on the quality of raw materials like tinned oxygen-free copper.
Our products are not just "cables"; they are certified safety components. We hold TUV, UL, IEC, and CE certifications, ensuring that our 4mm2 PV wires meet the local regulatory requirements of over 90 regions. Each batch undergoes rigorous testing for UV resistance, ozone resistance, and flame retardancy.
In Middle Eastern solar parks, our 4mm2 cables are engineered to resist ambient temperatures up to 90°C and peak conductor temperatures of 120°C, preventing insulation degradation.
For installations on water reservoirs, our cables feature enhanced water resistance and salt spray protection, ensuring the longevity of the electrical balance-of-system.
In farming-solar hybrid projects, our cables are rodent-resistant and chemical-resistant, standing up to the fertilizers and environmental challenges of agricultural sites.
Wing's business focus revolves around innovation, customer satisfaction, and environmental sustainability. From our operational headquarters in Vienna, Austria, to our massive manufacturing hubs in China, we bridge the gap between high-tech engineering and global accessibility.
Since 2005, we have maintained a steady growth trajectory, employing experts across China and Europe to serve our international clientele.
Recognized as a Tier 1 manufacturer by BloombergNEF, Wing stands for quality, bankability, and long-term stability in the solar market.
We are committed to making clean energy accessible to all, preserving the environment for future generations through carbon-neutral manufacturing practices.
As the world accelerates its transition to clean energy, the importance of high-quality "veins" for solar systems—the PV Cable 4mm2—cannot be overstated. A single cable failure can lead to significant energy losses or, worse, fire hazards in utility-scale installations. By choosing a reputable China 4mm2 solar cable exporter, you are investing in safety, efficiency, and longevity.
Our commitment to innovation is reflected in our continuous pursuit of better materials, such as low-smoke zero-halogen (LSZH) compounds and advanced electron-beam cross-linking processes. Whether you are an EPC contractor looking for bulk supply for a 100MW farm or a wholesaler seeking reliable TUV-certified products for the local market, our 20 years of expertise ensure that you receive products that exceed international standards.
Join the thousands of satisfied clients in over 90 regions who trust our cables to power their transition to a greener future. With our expanding production capacity and strategic European headquarters, we are positioned to be your long-term partner in the global solar revolution.
