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Who We Are 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.

The development history of Leheng
1993

A small factory was established, named "Hongqiao General Mechanical and Electrical Factory". Its main products at that time were shower heads, drum washing machines, heaters, electric heating and refrigeration appliances and other household appliances.

2012

It was renamed "Wenzhou Leheng Technology Co., Ltd." and its main products were adjusted to thermostats and switch buttons. With stable output and reliable quality, it was recognized by customers and quickly opened up surrounding markets.

2015

With the development of science and technology and the progress of the times, we have introduced production lines, automation equipment, injection molding machines and other mechanical equipment. Our products and services have gradually matured and are gradually entering the national market. The total annual sales volume of our products has exceeded 5 million units.

2016

The company expanded its scale and moved from the old factory to a new one. The new factory covers an area of 9,230 square meters. With the rapid growth of business scale and the continuous expansion of market share, the company ushered in a new qualitative change and began to try to enter the overseas market.

2018

The company obtained a patent for hydraulic temperature controller. From 2015 to 2018, the company was successively rated as the city's "Star Enterprise", "Advanced Brand Creation Unit", "Advanced Foreign Trade Export Unit" and other awards in the industry. The company's image and product quality are valued in the market.

2021

The products have obtained quality inspection certifications: UL, CE, CQC, TUV, KC, ROSH, obtained the "High-tech Enterprise" certificate, and were rated as "Innovative Small and Medium Enterprises". The factory's products have been distributed all over the world and are sold well in major countries on all continents.

2024

The warehouse is full! The warehouse is full! The annual output of products has exceeded 12 million units. The company has been invited to participate in large-scale exhibitions at home and abroad. While serving old customers, it has also explored new customers and consolidated its position in the market.

2025~2030

Go forward! Go forward! After 30 years of trials and tribulations, we have never stopped...

Why Choose Us OUR Advantages

We are always committed to the implementation of brand strategy and provide product quality assurance.

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  • Wenzhou Leheng Technology Co., Ltd. Comprehensive Certification
    With international authoritative certifications such as UL, TUV, CE, CQC, etc., it not only meets the access requirements of mainstream markets such as Europe, America, Australia, and the Middle East, but also has passed the drafting and formulation of multiple industry standards.
  • Wenzhou Leheng Technology Co., Ltd. Rapid Delivery
    The company is equipped with fully automated assembly lines with a monthly production capacity of over 1 million units; the flexible production scheduling and management system can efficiently respond to large-volume orders and urgent replenishment needs.
  • Wenzhou Leheng Technology Co., Ltd. Intelligent Quality Control
    We introduce optical inspection equipment, combine it with online aging test, and monitor the defect rate throughout the entire process. From raw material inspection to finished product shipment, we strictly implement the international quality management system to ensure that every product is stable and reliable.
  • Wenzhou Leheng Technology Co., Ltd. One‑Stop Customization
    Professional technical team + invention patents, providing full-process customized services from demand research, prototype design, small-batch trial production to mass delivery, and supporting multi-language communication and overseas after-sales docking, helping partners to quickly open up the market.
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Corporate Development Plan
In 2025, the company will take "development" as its core goal, uphold the concepts of innovation, cooperation, and efficiency, comprehensively promote the four major aspects of team building, management optimization, market expansion, and corporate culture, and continuously enhance the company's core competitiveness and market influence.
  • Building a Stronger Team
    We will establish a systematic training program aligned with position requirements and career development paths, implementing a combined approach of "structured training + self-directed learning" while maintaining individual growth portfolios to track professional progress. The program incorporates knowledge-sharing initiatives such as experience workshops and cross-departmental exchanges to foster collaborative synergy within teams.
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  • Improving Internal Workflows
    The company plans to implement optimization of core business processes in the first half of 2025, incorporating efficient digital management tools including project management software and office automation systems. These upgrades aim to enhance information flow efficiency while reducing manual errors. Additionally, cross-departmental communication protocols will be introduced to strengthen organizational coordination and facilitate smoother workflow transitions.
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  • Expanding Market Reach
    We conduct biennial market research to monitor industry trends and evolving customer needs, enabling adaptive strategy refinement. An innovation incentive program encourages employees to submit proposals for product, service, and business development improvements, with performance-based recognition. Through multi-channel customer development initiatives, we are working toward expanding our client base by over 1,000 new customers in 2025.
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  • Enhancing Company Culture
    We have been committed to further clarifying and strengthening our core corporate values through training programs and internal communication, so that all staff can have a clearer understanding of our company's values. We organize several cultural activities (1-2 times) every quarter, including skill competitions, sports activities and team-building activities, to enrich the entertainment life of employees and enhance team cohesion. At the same time, we will gradually improve the office environment to create a positive and upward working atmosphere.
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