Authorized Alpha Premium Distributor

Empowering Precision Manufacturing
Building Reliable Interconnections

One-Stop Advanced Electronic Assembly Materials Solution provider

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Core Empowering Values

Relying on a world-leading technology platform and deep industry expertise, we provide zero-defect soldering assurance for high-end electronic manufacturing.

Global Industry Benchmark Quality

As a core partner of Alpha, we continuously introduce era-defining interconnection technologies, ensuring every material meets the most stringent international quality systems.

Integrated Full-Process Solutions

From cutting-edge Solder Paste R&D to high-performance liquid flux systems, we provide lifecycle process support to help enterprises achieve excellent integration from single machines to production lines.

Multi-Industry High-End Application Empowerment

Our deep accumulation has entered core fields such as automotive electronics, high-reliability computing, smart terminals, and aerospace-grade medical care, providing ultimate confidence for electronic connections in complex conditions.

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Advanced Solder Materials System

Alpha Solder Paste

Precision Solder Paste

Covering lead-free, low-temperature, and high-reliability specifications, accurately addressing the harsh challenges of micro-pitch and complex processes.

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Alpha Solder Wire

High Activity Solder Wire

Ultra-fast wetting and zero-residue performance, providing excellent consistency assurance for manual touch-ups and automated soldering processes.

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Alpha Solder Bar

High Performance Solder Bar

High-purity low-dross alloy, optimizing wave soldering wetting performance, significantly improving the first-pass yield of mass production lines.

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Tacky Flux

Professional Tacky Flux

Combining ultra-high activity and long-term stability, providing excellent soldering reliability for BGA and precision flip-chip packaging.

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Liquid Flux

Eco-friendly Liquid Flux

Advanced eco-friendly formula, ensuring extremely high cleanliness of the board surface after soldering and effectively suppressing electronic migration risks.

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Applications Market

Our high-end soldering materials are widely used in various leading manufacturing industries with extremely demanding process and reliability requirements.

Automotive Electronics Industry

For infotainment, BMS, and ADAS. Providing high-reliability soldering solutions.

Computing & Servers

Perfectly addressing high-density pins, ultra-large BGAs, and complex board assembly. Ensuring stable operation by eliminating thermal fatigue and electromigration risks.

Mobile Communication Equipment

Ultra-fine pitch low-temperature Solder Paste and No-clean flux systems, solving precision assembly challenges for miniaturized components (01005, 008004) under drop and bend requirements.

Power & Industrial Control Equipment

Excellent wetting, spreading, and corrosion resistance. Preferred choice for high-current assembly.

Aerospace & Healthcare

The ultimate choice for military and life-support systems.
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Process Applications

Alpha provides a full range of soldering materials and technical support, widely used in various key process stages from semiconductor packaging to solar module assembly.

SMT Assembly

SMT Assembly

Alpha's high-performance solder paste and preforms empower the ultimate assembly of precision electronic components.

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Wave Soldering

Wave Soldering

Excellent wettability and low-dross soldering alloys, adapting to various complex through-hole soldering needs.

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Selective Soldering

Selective Soldering

High-precision soldering solutions for local components, significantly reducing thermal stress and improving yield.

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Die Attach

Die Attach

Key materials in the semiconductor packaging field, ensuring ultra-high reliability connections between chips and substrates.

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Package on Package PoP

Package on Package (PoP)

Supporting high-density 3D interconnect technology to meet the space constraints of modern mobile devices.

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Solar Module Assembly

Solar Module Assembly

Optimizing the stringing and busbar connection of solar cells, significantly improving the photoelectric conversion efficiency.

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Rework & Repair

Rework & Repair

Professional desoldering and resoldering materials, ensuring zero damage to precision components during repair.

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About Junjun Tech

Focusing on the soldering field for fifteen years, we are not just a trader, but your full-service technical consultant.

Focusing on Quality, Upholding Integrity

As an authorized Alpha Silver Distributor, Shanghai Junjun Tech has a rigorous quality system. Our Pudong center provides rapid response to hundreds of enterprises.

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🌐 Channel Roots

An agile service network centered on the Yangtze River Delta radiating across the country, ensuring expert technical support reaches the front line immediately.

🎯 Strategic Positioning

Deeply cultivating high-value niche markets, driving the evolution of electronic assembly processes towards higher integration through continuous innovation.

🤝 Core Principles

Upholding integrity and the soul of quality. Integrating 'Quality is Dignity' into every micro-detail of our service.

🚀 Corporate Vision

Committed to becoming the chief technical consultant in the electronic soldering field, transforming leading material science into real productivity for customers.

Honor and Compliance System

Licence

Hazardous Chemicals Business License (Original)

Licence

Hazardous Chemicals Business License (Copy)

Business License

Business License

Award

2025 Silver Distributor Award

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Leading Insights

In-depth analysis of electronic manufacturing trends, synchronizing Alpha's global innovative technologies.

2026.01.19

Advanced Direct Metallization: Driving Sustainable Transformation in Electronics

With global supply chains reshaping, green processes are essential. Alpha's latest direct metallization solution redefines efficiency and environmental standards...

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2025.09.17

PCIM Asia 2025 Insight: New Heights of Reliability in Power Semiconductor Soldering

In power electronics, solder joint failure is fatal. We showcased special alloy technologies for extreme conditions...

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2025.08.21

SEMICON 30th Anniversary: Leading the Next Golden Age of Semiconductor Packaging Materials

With the explosion of advanced packaging, material science is in the spotlight. How Alpha breaks physical limits of chip-level interconnection...

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