Knob
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  • Octagonal Knobs Octagonal Knobs
    Octagonal Knobs

    An eight-sided knob, often used in control systems, offers precise adjustment of parameter...

  • White Gear Knobs White Gear Knobs
    White Gear Knobs

    The white gear-shaped knob is a functional and ergonomic control component. White in color...

  • Red Lace Knobs Red Lace Knobs
    Red Lace Knobs

    The red lacework knob is a unique decorative element that combines beauty with practicalit...

  • Black Flat Knobs Black Flat Knobs
    Black Flat Knobs

    The black flat knob is a sleek and functional control component. Its flat design allows fo...

  • White Flat Knobs White Flat Knobs
    White Flat Knobs

    This white flat knob provides a simple but effective control solution. Its flat design ens...

  • Sequin Knobs Sequin Knobs
    Sequin Knobs

    A sequined knob is a decorative control element with a sparkling surface due to embedded s...

  • Black Handle Knobs Black Handle Knobs
    Black Handle Knobs

    A black handle knob is a functional control component designed for ease of use. Its black ...

  • Luxury Lace Knobs Luxury Lace Knobs
    Luxury Lace Knobs

    The Deluxe lacework Knob is a unique decorative element that combines elegance and practic...

  • Other Knobs Other Knobs
    Other Knobs

    Other knobs come in various designs and materials to suit different applications. They can...

  • Octagonal Sequin Knob Octagonal Sequin Knob
    Octagonal Sequin Knob

    The octagonal sequin knob is a uniquely designed control component, combining both functio...

A knob is a small manual control device used to adjust the settings of electronic or mechanical equipment. Usually in the shape of a circle or cylinder, it is fixed on an axis and rotates to regulate temperature, time or other parameters. Knobs are made of durable materials such as plastic or metal and may have textured or grooved surfaces to enhance the grip. They come in various sizes and styles and are widely used in audio equipment, appliances, instruments and industrial panels, providing intuitive tactile feedback and designed to withstand frequent use while maintaining reliable performance.

About Us
Wenzhou Leheng Technology Co., Ltd.
Wenzhou Leheng Technology Co., Ltd.

Wenzhou Leheng Technology Co., Ltd. established in 2012 is a reputable enterprise specializing in product development, manufacturing, and international sales. We professionally produce thermostats, limiters, rocker switches, and PCB thermostats.

Our company has obtained certifications such as UL, TUV, CE, CQC, KC, RoHS, REACH, SGS, ISO 9001, and ISO 14001, along with multiple patents. We have participated in drafting and formulating national industry standards and have been repeatedly recognized as an innovative enterprise and a trustworthy contract-abiding company. In 2020, we were certified as a National High-Tech Enterprise.

Adopting an advanced systematic management model, we prioritize customer interests and maintain a highly capable team with skilled technical professionals. Upholding a people-oriented development philosophy, we strive to create a bright and comfortable working environment for our employees.

As one of the companies in China's thermostat industry with a notable number of automated equipment, we differentiate ourselves by utilizing optical inspection instruments for testing. Our standardized assembly lines and self-designed fully automated production equipment enable intelligent industrial control, ensuring end-to-end automation in assembly and testing. Strict quality control is implemented from the source components. Currently, our monthly production exceeds 1 million units, with an annual output surpassing 12 million+ units.

Our products are distributed across all domestic regions and exported to over 80 countries worldwide, including the United States, Turkey, Australia, India, Russia, Iran, Germany, Brazil, Mexico, South Africa, and Egypt. Thanks to our reliable products, professional sales service, and competitive pricing, we have earned widespread recognition from customers globally.

We sincerely look forward to cooperation with you to establish a long-term, stable partnership for mutual success.

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