From March 31 to April 2, 2025, the “2025 TrendBank 0BB Industry Summit and the Third General Assembly of the Fourth Council of the Zhejiang Solar Photovoltaic Industry Association” was held in Haining, Zhejiang. The event was organized by TrendBank and co-hosted by the Zhejiang Solar Photovoltaic Industry Association. Lead Intelligent Equipment (hereinafter referred to as “LEAD”), a global pioneer in next-generation photovoltaic (PV) manufacturing processes, was invited to attend and deliver a keynote speech.

Technological innovation continues to drive cost reduction and efficiency gains in the photovoltaic (PV) sector. Zero busbar (0BB) technology eliminates traditional main busbars by directly connecting fine busbars with soldering strips. This approach reduces silver paste consumption, minimizes shading, and improves current transmission. As a result, it lowers costs and enhances solar module efficiency. As the technology matures, 0BB is expected to deliver further breakthroughs in power generation, cost-effectiveness, and reliability.

As a major breakthrough in photovoltaic (PV) technology, zero busbar (0BB) is propelling a new wave of cost reduction and efficiency improvements, attracting widespread attention and investment across the industry. It is steadily guiding the sector toward greater performance at lower cost. LEAD’s 0BB solutions are playing a pivotal role in this global PV upgrade, setting new benchmarks for industrial transformation.

During the presentation, LEAD unveiled its latest advancement in 0BB stringing technology—the LDHJ03 Zero-Busbar Stringer. Engineered for low silver paste consumption, ultra-thin cell processing, and enhanced module power output, it supports a wide range of cell technologies, including TOPCon and HJT. The system utilizes a “print-then-weld” process that ensures high throughput, high yield, and user-friendly operation and maintenance. It delivers a maximum capacity of 10,000 pieces per hour, while reducing silver paste costs by 30% and annual maintenance costs by 20% compared to conventional solutions.

Backed by deep technical expertise and a strong track record in the PV industry, LEAD’s LDHJ03 Zero-Busbar Stringer incorporates a unique, proven process designed to deliver exceptional value to customers:

• High Precision: Incorporates advanced screen printing technology with 0.02 mm accuracy, ensuring precise cell placement and enhanced equipment stability.
• High Reliability: Features a tunnel-type base plate curing system that delivers consistent, uniform temperatures—ideal for ultra-thin wafers. It enhances the cell-to-module (CTM) ratio, supports high post-printing precision and visual inspection, and mitigates risks such as microcrack propagation, aging, and delamination.
• Lower Costs: The zero-busbar welding process reduces silver paste and adhesive costs by 30%, and cuts annual maintenance expenses by 30% compared to conventional multi-busbar (MBB) systems.

Since entering the photovoltaic industry in 2008, LEAD has remained committed to driving industry transformation through continuous innovation. The company has successfully developed a range of 0BB string welding processes, earning the trust of top-tier industry players with its cutting-edge intelligent manufacturing technologies and exceptional delivery capabilities.

Looking ahead, as a pioneer in next-generation PV manufacturing, LEAD will continue to deepen its presence in the photovoltaic sector, advancing technological innovation and enhancing delivery performance. With a strong commitment to progress, LEAD is poised to play a vital role in accelerating the global transition to a low-carbon future.