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Quality is what
every single tightening
stands behind
We believe industrial quality is not just a slogan, but the trust delivered through every tightening. Since 2003, Zhengrui has focused on electric wrenches, and with two decades of persistence, we make "Made in China" our customers' worry-free choice.
— Our Vision
Rooted in China's Hardware Capital,
true to our craft, true to our origin
Zhejiang Zhengrui Tools Co., Ltd. is based in Yongkang — a city that thrives on hardware and grows strong through manufacturing.
Zhejiang Zhengrui Tools Co., Ltd., located in Yongkang, a city renowned as China's hardware capital and a leading economic center, was established in 2003. As one of the most professional electric wrench manufacturers in China, the company has, through twenty years of persistent exploration, innovation, and development, become a leader in the domestic industry.
Our products are characterized by their lightweight design, low noise, and long service life. Their reliable quality and excellent service have earned the trust and praise of our users. Zhengrui adheres to the principle of "Quality First, Service First," and our products are widely used in various industries, including automotive, construction machinery, tower cranes, metallurgy, railway bridges, oil fields, power, and steel structures. Our products are sold both domestically and internationally.
Our main products include: impact wrenches, torque-shear wrenches, constant torque wrenches, and lithium battery wrenches.
By the Numbers, Witness Our Commitment
Service Areas
With over 20 years in industrial fastening, Zhengrui provides high-torque, high-precision bolting solutions for key industries including power, bridges, petrochemicals, wind energy and railways.
Why Choose Us？
Twenty years devoted to industrial fastening tools. From core R&D to real-world validation, our stable quality, lightweight design and lifetime maintenance service have made us a long-term trusted partner for customers across industries.
Independent research and development
The core technologies are independently controllable, and key components such as brushless motors and precision gearboxes are all independently developed and manufactured.
Strict quality control
From raw material warehousing to finished product delivery, the product undergoes 12 quality inspection processes to maintain high quality standards.
Scenario thinking
We delve into real-world scenarios such as wind turbine tower construction, bridge construction, and petrochemical maintenance, driving design based on user pain points.
Lightweight design
The lightweight design of the machine body reduces the burden on the operator while ensuring strength.
Service first
Nationwide after-sales service network coverage, providing 12-month warranty and maintenance.
global perspective
Based in China, benchmarked against international standards, and supporting OEM/ODM customization.
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