Xuzhou Siyuan Aluminum Co., Ltd.

Globally Trusted
Aluminum-Based Materials Supplier

Globally trusted aluminum-based materials supplier, Siyuan Aluminum offers fluxes, additives, master alloys, and custom solutions for key industries, serving 380+ brands across 30+ countries.

  • Metal Flux
    Metal Flux

    Metal Flux

  • Element Remover
    Element Remover

    Element Remover

  • Element Additive
    Element Additive

    Element Additive

  • Aluminum Master Alloy
    Aluminum Master Alloy

    Aluminum Master Alloy

  • Others
    Others

    Others

Entering Siyuanly ®

Xuzhou Siyuan Aluminum Co., Ltd. is a leading enterprise in the industry, integrating qualifications as a national high-tech enterprise, specialized and innovative enterprise, and ISO triple-system certified enterprise. We specialize in the research, development, production, sales, and solutions provision of specialized non-ferrous metal fluxes for aluminum melt purification, element additives, and aluminum master alloys. The company's headquarters is located in Weiji Industrial Park, Tongshan District, Xuzhou, Jiangsu, covering an area of 20,000 square meters with an annual production capacity exceeding 80,000 tons.

  • 41+

    National Patent

  • 25+

    Industry Experience

  • 20kSquare Meter

    Production Base

  • 70+

    Technology R&D Engineer

Industry Solutions

Our high-purity elemental materials empower new energy, electronics, aerospace, medical and high-end manufacturing worldwide.

One-Stop Solution
Advantages

Siyuan Aluminum Industry is committed to becoming an expert in purification and environmental protection in the aluminum melt industry, providing comprehensive landing solutions for the aluminum melt industry

  • Industry Standard Setting Unit

    Leads/participates in the formulation of   two national industry standards, "YS/T491-2020 Flux for Aluminum and Aluminum Alloy" and  "YS/T492-2021 Aluminum and Aluminum Alloy Composition Additives", laying a technical benchmark for the industry.

  • Authoritative CertifiCation

    Si Yuan was successfully listed in 2019 and has been awarded multiple honorary certifications, including National High-tech Enterprise, Double-Innovation Talent Enterprise, and Specialized, Fine, Unique, and Innovative Enterprise in Jiangsu Province.

  • Industry-University-Research Innovation Matrix

    41 national patent technology reserves, establishment of a provincial-level research and development center in collaboration with China University of Mining and Technology, and joint laboratories with three universities including Beijing University of Science and Technology and Hebei University of Technology

  • System Certification

    ISO9001 Quality System Certification. CQO (Chief Quality Officer) system. Raw material batch traceability system + full-process quality monitoring

  • Comprehensive Solution

    Siyuan offers a comprehensive range of products, covering aluminum melt purification flux, elemental additives, and aluminum master alloys. Leveraging our product range, we empower our customers with one-stop procu rement and provide a practical solution for aluminum melt purification.

  • Strategic Policy

    Siyuan actively responds to the national strategic policy of "replacing copper with aluminum", "replacing steel with aluminum", and "replacing wood with aluminum". It focuses on deepening its expertise in the aluminum melt purification industry, promoting lightweight production of aluminum, continuously optimizing industrial layout, driving local employment, and achieving new heights in tax contributions.

  • Environmental, Social, and Governance

    Siyuan actively responds to the integration of ESG concepts into its corporate development strategy. It is committed to achieving more significant results in environmental protection, social responsibility, and corporate governance, and to achieving high-quality development of the enterprise through continuous improvement and innovation.

  • Quality Service

    Siyuan always centers around customer needs, providing formula optimization and process adaptation, 24-hour emergency response services, and comprehensive after-sales service, to achieve a win-win situation with customers.

Any Questions? Consult Now

For any product and application issues, our material experts will provide you with professional solutions.

Industry Updates

Participate in domestic and international aluminum industry exhibitions and technical exchanges; expand market presence at home and abroad, and provide customized flux solutions.

Industry Updates April 2nd, 2026

April 8–10,2026, let’s meet at the 2026 Suzhou Aluminum Industry Expo. We look forward to seeing you at our booth E094-097!

Message for Expert Solutions

Submit a message and get a customized material solution from our professional engineers.

Custom Solution Request

+86 19052698679

+86 19052698679

changwei@siyuanly.com