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Driven by the "dual carbon" strategy, the new energy industry is developing rapidly. With the urgent demand of enterprises for cost reduction, efficiency improvement, lightweighting and material composite,Small sizeCopper clad aluminum strip, is gradually moving from the edge of technology to mainstream applications.

However, it is not easy to truly achieve stable conductivity, uniform rolling, no exposed copper on the surface, and strong process compatibility.This is exactlyRaytron（Raytron) is the core reason why it has been favored by customers for a long time.

1. Why more and more customers choose Ruichuang's copper-clad aluminum strip?

From "usable" to "easy to use", small-sized copper-clad aluminum strips that can truly allow downstream customers to import and produce with confidence are rare in the market.

Relying on the ultimate polishing of calendering technology and precise control of the copper-aluminum bonding structure, Ruichuang has created a product with high conductivity and high cost performance.existPhotovoltaic welding ribbon, new energy connectors, FPC reinforcement tapes and other fields.

2. We solved the four major pain points that customers are most concerned about:

? 1. No delamination, no cracking - strong bonding technology

The common copper layer peeling and interface oxidation problems of traditional copper-clad aluminum are effectively solved by Ruichuang through multiple rounds of high-temperature vacuum compounding + online annealing. Even if the small specifications are repeatedly bent, the copper layer still fits tightly.

? 2. Precise thickness control——±0.003mm dimensional tolerance

The high-precision rolling mill + continuous thickness measurement system is used to ensure that the dimensional tolerance is at the forefront of the industry, the welding strip forming consistency is high, and the yield is improved 30%.

? 3. Super strong conductivity - meeting the needs of mainstream component design

Aluminum core has low impedance, copper layer has high surface conductivity, and has been professionally tested for conductivity.Conductive efficiency reaches 85%-90% of copper strip, fully meeting the welding requirements of high-efficiency components such as PERC, TOPCon, and HJT.

? 4. Obvious cost advantage - comprehensive savings of 20%-30%

In the cycle of high copper prices, the value of replacing copper strips becomes more and more prominent. Ruichuang significantly reduces material costs while ensuring performance.

3. Product parameters list (customizable)

• Specification range：Thickness 0.05mm0.8mm, width 2mm10mm
• Copper layer thickness: Customizable (commonly 5%-15%)
• Surface treatment: Tin-plated, segmented, punched, anti-oxidation treated
• Electrical conductivity：≥75% IACS
• tensile strength：≥90MPa
• Elongation：≥12%
• Packaging: Vacuum sealing, anti-oxidation film, moisture-proof and hygroscopic packaging

4. Ruichuang, a technical powerhouse verified by customer reputation

• ?? 13 high-precision rolling lines, with a daily output of tens of tons
• ?? 30+ core patent technologies, national standard setting unit
• ?? Support small batch proofing + customized delivery
• ?? Serving more than 100 photovoltaic, energy storage, BMS and new energy customers at home and abroad

5. Wide range of application scenarios:

• Photovoltaic welding ribbon (busbar, welding ribbon)
• FPC flexible reinforcement tape
• Battery connector, module conductive tape
• BMS nickel sheet alternative materials
• Conductors for new energy wiring harnesses/connectors

6. Why is now a good time to introduce copper-clad aluminum strip?

? Raw material prices fluctuate dramatically, copper prices continue to rise
? Component manufacturers face cost pressure, alternative materials are urgently needed
? Mature application scenarios continue to expand, industry awareness has been greatly improved
? The production capacity and technology of high-quality suppliers such as Ruichuang have become mature and stable