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Professional Industrial Cleaning & Rust InhibitorMetal Surface Treatment Service Provider

Shanghai Zhiyu Chemical Co., Ltd. is a high-tech enterprise specializing in the R&D, production, sales, and service of innovative surface treatment agents and metalworking fluids for industrial use. The company is located in the Waigang Development Zone, Jiading District, Shanghai.

Its product portfolio primarily consists of industrial cleaning and anti-rust agents, metal surface treatment agents, and metal-forming fluids. These products are widely applied across various sectors, including aerospace, shipbuilding, automotive, heavy industry, power generation, transportation, machinery, and gear manufacturing.

  • 15

    Industry Experience

  • 80+

    All Employees

  • 10

    Granted Patents

  • 24H

    Response/Reply

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    Zhiyu Product Center

    Zhiyu’s products, services and reputation are worthy of your trust

  • Steel Parts

    Specialized surface treatment agent designed to degrease and derust workpieces, while forming a stable, dense protective conversion film that enhances the rust resistance of steel.

  • Aluminum Alloy

    For aluminum alloy materials, our specialized surface treatment agents can degrease workpieces, remove oxide layers, and form a dense, protective conversion coating.

  • Stainless Steel/Copper Alloys

    Specialized treatment agents for stainless steel and copper alloys; these products remove oil, weld marks, and copper tarnish from workpieces while forming a stable, protective passivation film on the metal surface.

  • Magnesium Alloy

    Chemical conversion treatment agent for magnesium alloys; it degreases and activates the workpiece, forming a dense conversion film on the highly reactive magnesium alloy surface to inhibit substrate corrosion.

    • Zhiyu Industry Applications

    One-stop for all metal processing surface treatment needs

    Aerospace
    Aerospace
    Ships
    Ships
    Automobile
    Automobile
    Heavy Industry
    Heavy Industry
    Electricity
    Electricity
    Transportation
    Transportation
    Mechanical
    Mechanical

  • Aerospace

    We specialize in three core product lines—industrial cleaning and anti-rust agents, metal surface treatment agents, and forming media—with performance standards rigorously tailored to the manufacturing requirements of high-end aerospace components.

  • Ships

    Specializing in industrial cleaning and anti-rust agents, metal surface treatment agents, and metal-forming media. Our products are capable of withstanding the high-salinity, humid environments typical of marine settings.

  • Automobile

    Our company provides products for cleaning, rust prevention, and surface treatment—tailored for the high-volume processing of automotive components—to ensure optimal coating adhesion and support stable production processes.

  • Heavy Industry

    Specializing in the R&D of various metalworking media, we provide high-efficiency cleaning, long-lasting rust prevention, and surface treatment products tailored for heavy equipment and large-scale steel structural components.

  • Electricity

    Specializing in the field of metal surface treatment, we provide reliable cleaning and anti-rust protection products for metal components used in power equipment, ensuring the long-term stability of these parts.

  • Transportation

    Specializing in surface treatment materials for industrial metals, we provide solutions for the forming, cleaning, rust prevention, and pre-painting treatment of metal components used in transport equipment, such as those for rail transit.

  • Mechanical

    Our company manufactures a range of products for industrial cleaning, rust prevention, and surface treatment. These solutions are suitable for the processing of various general mechanical parts, helping to optimize workflows for component cleaning, in-process rust prevention, and surface treatment.

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    Total Quality Management System · Worry-free Quality

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  • Why Is Degreasing Necessary in Metal Processing? A Detailed Look at Surface Treatment Processes
    2026-08-21

    Why Is Degreasing Necessary in Metal Processing? A Detailed Look at Surface Treatment Processes

    Why Is Degreasing Necessary in Metalworking? A Detailed Look at Surface Treatment ProcessesIn metalworking, a step frequently overlooked during surfac...
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  • Functions of Metal Surface Degreasing Agents and an Overview of Metal Cleaning and Degreasing Processes
    2026-08-21

    Functions of Metal Surface Degreasing Agents and an Overview of Metal Cleaning and Degreasing Processes

    The Role of Degreasing Agents in Metal Surface Treatment and an Overview of Metal Cleaning and Degreasing ProcessesDuring the manufacturing process, m...
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  • How to Choose a Degreasing Agent for Metal Surface Treatment? What Are the Requirements for Pre-treatment in Metal Processing?
    2026-08-21

    How to Choose a Degreasing Agent for Metal Surface Treatment? What Are the Requirements for Pre-treatment in Metal Processing?

    How to Choose a Degreasing Agent for Metal Surfaces? Requirements for Pre-treatment in MetalworkingThose in the metalworking industry know that a work...
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