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About Us

With over 40 years of expertise in precision injection molding,GOOD BUCKLE (Long Huei) is a trusted OEM/ODM partner dedicated to delivering high-performance fastening solutions.
We go beyond plastics.Our core strength lies in turnkey contract manufacturing—seamlessly integrating plastic, metal hardware, and premium webbing into complete, market-ready products. From initial mold development to final precision assembly, we provide tailored one-stop solutions for outdoor gear, pet tactical harnesses, and advanced healthcare wearable components.
Adhering to our business philosophy of "Quality First, Technology-Driven,"we continuously advance our functional structural design, process capabilities, and advanced material application technologies. At GOOD BUCKLE, we don't just manufacture components; we continuously innovate to create maximum added value and exceptional competitive advantages for our global customers.

Technological capabilities and process advantages

Integrated production capabilities

Our company has a complete production process from product design, structural development, mold design and manufacturing, plastic injection molding, post-processing to assembly and packaging.
Through internal vertical integration management, we can effectively control quality stability, delivery accuracy, and cost, thereby improving overall manufacturing efficiency.

  • Precision mold development technology
    Precision mold development technology
    •3D modeling and structural optimization based on customer drawings or samples
    •Mold flow analysis to assess molding feasibility
    •High-precision mold machining and dimensional tolerance control
    •Mold life management and maintenance system
    With years of experience in mold development, we can effectively shorten the development cycle and ensure mass production stability.
  • Injection Molding and Material Applications
    Injection Molding and Material Applications
    •High-stability plastic injection equipment
    •Familiar with the application of various engineering plastics and environmentally friendly materials
    •Raw materials that comply with EU RoHS standards can be selected.
    •We offer strength, weather resistance, and impact resistance materials depending on the application.
    We emphasize the compatibility between material properties and structural design to ensure that products maintain good performance over long-term use.
  • Quality control system
    Quality control system
    •Raw material incoming inspection
    •Process Inspection
    •Dimensional Measurement and Functional Testing
    •Final quality verification before shipment
    We ensure that every batch of products meets customer specifications through standardized operating procedures and rigorous quality management systems.
  • Customization(OEM / ODM)
    Customization(OEM / ODM)
    We welcome traders and corporate clients to provide artwork or samples for custom mold making.

    From concept development to mass production implementation, we provide comprehensive technical support and structural optimization suggestions to help customers develop differentiated products and enhance their market competitiveness.

Service spirit

We firmly believe that stable quality stems from rigorous technical management, and long-term cooperation comes from a trustworthy and professional service attitude.
Quality and service are our unremitting pursuit.
We look forward to establishing long-term and stable partnerships with global partners to jointly expand markets and create sustainable value.

Testing and Certification

We possess the strong technical capability to coordinate product development with specific testing requirements, assisting clients in facilitating product verification and certification based on their individual needs.With extensive experience collaborating with world-renowned third-party organizations such as SGS and TÜV, we can effectively help clients arrange and streamline the customized testing procedures required for their specific projects.
All raw materials we utilize strictly comply with global environmental regulations, including RoHS and REACH. Furthermore, our facility is equipped with an in-house tensile testing machine to conduct essential mechanical performance tests. This infrastructure fully supports product development and verification needs, while meeting the strict testing standards required by the military and other high-specification industries.

German GS certificationSGS TestEU RoHS certification

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