About Us

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about us

ABOUT COMPANY

Welcome to Longi

We are a high-tech enterprise specializing in the R&D, manufacturing, and sales of photovoltaic modules. Since our founding, we have been committed to providing high-efficiency, reliable, and sustainable solar power products to customers worldwide.


Headquartered in Wuxi, China—a hub for the world’s most comprehensive photovoltaic industry chain resources—we are able to fully leverage the advantages of this industrial cluster to provide our customers with competitive solutions while ensuring product quality.

We specialize in the large-scale production of crystalline silicon solar modules. Our factory is equipped with internationally recognized automated production lines covering the entire manufacturing process—from cell sorting, string welding, and lamination to final assembly and testing. Each process step employs a mature process control system to ensure consistent and stable product performance.


Our product portfolio covers both monocrystalline and polycrystalline types, offering flexible solutions for diverse applications such as large-scale ground-mounted power plants, commercial and residential rooftop distributed systems, and residential PV projects. In terms of cell technology, we continuously pursue cutting-edge advancements; our modules meet industry-leading standards in conversion efficiency, light degradation resistance, and weather resistance, and are particularly well-suited for harsh climatic conditions such as high temperatures, high humidity, or strong winds and sandstorms.

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1000

Workshop Area

1

+

Employees

0

+

Industry Experience

Our Service Process

PRE-SALE COMMUNICATION

Select type, craft, fabric, quantity, provide the logo file.

CONFIRM DESIGN DRAFT

Confirm details such as product models, quantities, and quotes.

ARRANGE PRODUCTION

Arrange production after receiving the deposit payment.

DELIVERY

Arrange shipment after receiving the balance payment. Deal done.

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Why choose us?

Advanced Processes and Technologies

Our automated production lines cover the entire process, from cell sorting to final product inspection. We continuously advance high-efficiency crystalline silicon cell technology to ensure that our modules’ conversion efficiency and stability remain at the industry’s leading levels.

End-to-End Quality Control

Multiple in-line inspection points are established from the arrival of raw materials to the shipment of finished products. We implement end-to-end traceability management and strictly conduct power testing, EL testing, and mechanical load testing to ensure long-term reliability.

Flexible and Efficient Delivery

With rapid response capabilities and flexible scheduling, we can meet the delivery deadlines and customization requirements of projects of all sizes. Combined with professional export logistics services, we ensure that goods arrive safely and on time.

Practicing Green Manufacturing

We integrate environmental protection principles into our production operations, continuously optimize energy consumption and material utilization, reduce the carbon footprint across the entire product lifecycle, and drive the global energy transition through responsible manufacturing.

Advanced Processes and Technologies End-to-End Quality Control Flexible and Efficient Delivery Practicing Green Manufacturing

Why choose us?

Advanced Processes and Technologies

Advanced Processes and Technologies

Our automated production lines cover the entire process, from cell sorting to final product inspection. We continuously advance high-efficiency crystalline silicon cell technology to ensure that our modules’ conversion efficiency and stability remain at the industry’s leading levels.

End-to-End Quality Control

End-to-End Quality Control

Multiple in-line inspection points are established from the arrival of raw materials to the shipment of finished products. We implement end-to-end traceability management and strictly conduct power testing, EL testing, and mechanical load testing to ensure long-term reliability.

Flexible and Efficient Delivery

Flexible and Efficient Delivery

With rapid response capabilities and flexible scheduling, we can meet the delivery deadlines and customization requirements of projects of all sizes. Combined with professional export logistics services, we ensure that goods arrive safely and on time.

Practicing Green Manufacturing

Practicing Green Manufacturing

We integrate environmental protection principles into our production operations, continuously optimize energy consumption and material utilization, reduce the carbon footprint across the entire product lifecycle, and drive the global energy transition through responsible manufacturing.