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  • Zhejiang Rongtao Hardware Products Co., Ltd.
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  • Aluminum Combination

    Padlocks Combine Strength with Keyless Convenience

    Aluminum Combination

    Padlocks Combine Strength with Keyless Convenience

Our padlocks feature high tensile strength and rust-resistant construction, and are salt spray tested for long-lasting durability. They are ideal for warehouses, shipping containers, doors, and industrial security.

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What We Offer

Our Core Padlock Series

Relying on source control of raw materials, rigorous product testing, and complete international certification, we provide standard products and customized services to global buyers.From raw material sourcing and rigorous testing to full international certification, we deliver standard and customized solutions to global buyers.

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  • Combination Padlock
    01
    Combination Padlock

    The Combination Padlock series is equipped with a precision digital combination locking mechanism, providing keyless one-touch unlocking and convenient access. It is widely suitable for various applications, including luggage, storage cabinets, gyms, schools, and locker systems.
    Made from high-quality alloy and brass materials, the entire series features wear-resistant and corrosion-resistant lock bodies with reinforced shackles for enhanced anti-pry protection. The built-in multi-wheel combination structure provides tens of thousands of password combinations to effectively prevent unauthorized opening, ensuring stable security performance.
    Available in various materials, including brass, aluminum, zinc alloy, and stainless steel, the series offers a wide range of specifications. We support customized services such as laser logo marking and embossing, making these Combination Padlocks ideal for bulk export orders, retail distribution, and engineering procurement.
  • Brass Padlock
    02
    Brass Padlock

    The Brass Padlock series is cast from pure brass material, featuring excellent rust resistance and corrosion resistance, and is suitable for various indoor and outdoor environments. The lock body structure is sturdy, and the shackle is hardened for enhanced resistance against sawing and prying.
    The products cover various specifications, including thick body, medium thick body, and thin body types, meeting different security level requirements. The classic design is durable and long-lasting, widely used in applications such as doors, warehouses, toolboxes, and storage cabinets. Customized brand logos and keys are supported.
  • Aluminum Padlock
    03
    Aluminum Padlock

    The Aluminum Padlock series is made of high-strength aluminum alloy material, offering a lightweight design with high strength, excellent corrosion resistance, and a modern appearance. The surface is treated with anodizing technology, providing rich colors with long-lasting fade resistance.

    The lock cylinder is made of brass or stainless steel materials to ensure smooth operation and long service life. It is suitable for lightweight security applications such as luggage, stationery, suitcases, and storage cabinets. With various styles available, the series supports color customization and brand printing.
  • Rectangular Padlock
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    Rectangular Padlock

    The Rectangular Padlock series features a classic rectangular design with a spacious lock body that can accommodate larger lock cylinders and thicker shackles, providing excellent security performance. It is available in various materials, including brass and iron, with surface treatment options such as polishing, electroplating, and powder coating.
    The series is widely used in industrial and commercial applications requiring high security, such as warehouses, gates, containers, and cargo transportation. It offers a durable structure, reliable performance, and high cost-effectiveness.
  • Iron Padlock
    05
    Iron Padlock

    The Iron Padlock series is made of high-quality cast iron or stamped steel plates, offering an affordable price, sturdy structure, and long-lasting durability, making it an economical choice for bulk procurement. The surface treatments include various finishes such as antique copper, titanium plating, and gray painting. Some models are equipped with waterproof protective covers, achieving an IP65 waterproof rating to withstand harsh outdoor environments.
    The series is suitable for applications such as construction sites, warehouses, cargo transportation, and agricultural facilities. It provides various specifications and key systems to meet different security requirements.
  • Key Lock Box
    06
    Key Lock Box

    The Key Lock Box series adopts a combination or key access method for securely storing spare keys and is widely used in applications such as homestays, real estate agencies, renovation sites, and home emergency use. The lock box is made of high-strength metal material, offering excellent resistance against impact and prying, with easy installation that allows it to be mounted on walls or door handles.
    Available in various designs, including square, curved, and slim waist-shaped styles, the series supports customized colors and brand logos. It is an essential tool for property management and real estate applications.
  • Stainless Steel Padlock
    07
    Stainless Steel Padlock

    The Stainless Steel Padlock series is made of 201 or 304 stainless steel material, featuring excellent rust resistance and corrosion resistance, and is especially suitable for harsh outdoor environments such as coastal areas, chemical plants, and high-humidity conditions. Both the lock body and shackle are made of stainless steel, providing a strong and durable overall structure with outstanding security performance.

    Available in various styles, including disc-shaped designs, the series is widely used in professional applications such as ships, docks, outdoor equipment, and chemical industrial parks. It offers long-lasting performance without rusting during extended use.
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  • Reliable Security for
    Every Application

  • Reliable Security for
    Every Application

  • Reliable Security for
    Every Application

  • Reliable Security for
    Every Application

About Us

Zhejiang Rongtao Hardware Products Co., Ltd.

Zhejiang Rongtao Hardware Products Co., Ltd.

Zhejiang Rongtao Hardware Products Co., Ltd. was established in 2021 at No. 11 Wuhan Road in Shangxi Town, Yiwu City, Zhejiang Province, China. Our company owns the Yiwu Shengping Lock Factory, which boasts nearly 30 years of professional padlock manufacturing experience.

We have also established Yiwu Rongtao Renewable Resources Co., Ltd. to achieve strict control over raw materials for padlock production. With a commitment to integrity and on-time delivery, we have earned the lasting trust of our clients worldwide.

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Precision-Crafted Padlocks of Global Quality

With thirty years of padlock manufacturing expertise, our factory produces high-end padlocks backed by full-chain quality control, laboratory performance testing, patented technologies, international certifications, and stable standardized production capacity.

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  • Zhejiang Rongtao Hardware Products Co., Ltd.
    Industry Manufacturing Background

    With nearly 30 years of experience in padlock development and manufacturing, we are a source factory integrating both production and trade.

  • Zhejiang Rongtao Hardware Products Co., Ltd.
    OEM/ODM Customization

    We support OEM/ODM customization, including logos, exterior colors, specifications, sizes, and packaging styles.

  • Zhejiang Rongtao Hardware Products Co., Ltd.
    Standardized Production & On-Time Delivery

    Standardized assembly lines ensure stable production capacity for orders of all sizes, while well-planned production scheduling guarantees reliable lead times. Our products are exported to Europe, South America, Asia, Africa, and other regions.

Custom Padlock

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