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Custom-built bending solutions for your sheet metal production — High precision, fast delivery, and full technical support.
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    About STON – Your CNC Sheet Metal Equipment Partner

    Custom CNC Solutions | Precision Sheet Metal Processing | One-Stop OEM Services

    Company Profile

    Qingdao Shengtong Mechanical Technology Co., Ltd. (STON)

    Founded in 2006, STON is a national high-tech enterprise specializing in the R&D and manufacturing of CNC sheet metal processing equipment. With a factory covering 20,000㎡, we integrate design, machining, assembly, and QC in-house — ensuring consistent quality and precision.


    Our core products include:

    Intelligent Flexible Bending Centers (Panel Benders)

    CNC Turret Punching Machines

    Laser Cutting Units

    Sheet Metal Production Lines

    Automatic Loading/Unloading Systems

    Custom-Configured Production Lines


    With ISO and CE certifications, patented technologies, and exports to 80+ countries, we are trusted by manufacturers worldwide across industries such as automotive, HVAC, furniture, control cabinets, and more.

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    Factory Strength & Manufacturing Capabilities

    Advanced Manufacturing, Proven Performance

    Our factory covers 20,000㎡ and is equipped with state-of-the-art processing centers, CNC gantry milling machines, precision boring equipment, and fully automated welding lines. We handle the entire production chain in-house – from frame welding to machining, surface treatment, assembly, and quality testing.

    ±0.05mm assembly precision
    Specialized automation sequences
    Natural aging treatment after welding for long-term structure stability
    Certified ISO 9001:2000 Quality System

    This end-to-end control allows us to guarantee consistent quality, fast delivery, and full customization according to your specifications.

    Factory Strength & Manufacturing Capabilities

    Tailor-Made Solutions for Every Project

    At STON, we understand that every customer has unique technical and production needs. That’s why we offer completely customizable equipment configurations, supported by our expert R&D team of engineers and technicians with over 15 years of experience.

    Customized bending forces or dimensions
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    Specialized automation sequences
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    Integration with your existing line
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    Unique workpiece handling needs
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    Our Honor

    Recognized Quality & Innovation

    ISO 9001:2000 Quality Management Certification

    CE Certified Machines for Global Markets

    "Shandong Provincial Gazelle Enterprise"

    "Specialized and Innovative Enterprise"

    30+ National Patents in CNC Processing & Automation

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    Global Reach & Client Base

    Trusted by Global Clients in 80+ Countries

    Our machines have been exported to over 80 countries, serving industries such as:

    • Metal Cabinet Production
    • Electrical Enclosure & Distribution Boxes
    • HVAC & Ventilation
    • Kitchen Equipment & Stainless Steel Products
    • Educational & Lab Equipment
    • Industrial Equipment Manufacturing

    We have long-term partners in Europe, North America, Southeast Asia, and the Middle East. No matter where your business is, we deliver consistent quality and dependable service.

    Mission & Vision

    Our Mission & Vision

    We aim to become a global leader in CNC metal processing solutions by delivering precision, efficiency, and intelligent automation to our clients.

    Precision Engineering with Craftsmanship

    We are committed to delivering high-quality, durable products that meet the highest standards, reflecting our dedication to precision engineering and craftsmanship in every product we deliver.

    Long-Term Partnerships with Our Clients

    We value building trust and long-term relationships with our clients, providing reliable support and innovative solutions to help them maintain a competitive edge in the market through mutual growth and continuous improvement.

    Continuous Innovation to Stay Ahead of Industry Needs

    We will constantly innovate and upgrade our technologies and processes, staying attuned to industry demands, and offering intelligent and automated solutions to help our clients tackle the ever-evolving production challenges.

    Get a Quote Now

    Send Us Your Needs — We’ll Get Back in 24h

    Whether you're upgrading an existing line or starting a new project, STON will customize a CNC solution for your production.