CN
WREN
A Leading Hydraulic Torque Wrench Manufacturer in China
Founded in 1992, WREN is one of the most professional manufacturers in the field of ultra-high-pressure hydraulic tools (70–350 MPa). We are committed to developing high-quality industrial bolting systems that make fastening operations safer and easier.

WREN focuses on quality and safety, independently designing and manufacturing hydraulic torque wrenches, hydraulic pumps, hydraulic cylinders, and bolt tensioners. Our products are widely used in industries such as steelmaking, shipbuilding, power generation, petroleum, and chemical engineering. In addition to hydraulic torque wrenches, we also provide customized solutions to meet diverse customer requirements.

Our facilities cover an area of 66 mu, including 24,000 square meters of production space under WREN Hydraulic, with more than 260 employees. We have established distribution networks in the United States, Japan, Germany, Australia, and Russia, and we provide OEM services to customers in many countries worldwide.
  • 1992
    Founded
  • 9500
    Production Area
  • 260
    Employees

Our History

1992

1992

Mr. Zhang Limin founded the WREN Hydraulic Workshop, focusing on the research, development, and manufacturing of hydraulic torque wrenches.

1996

1996

Hangzhou WREN Hydraulic Equipment Manufacturing Co., Ltd. was officially registered, and the WREN trademark was launched.

2001

2001

WREN expanded its operations and relocated to a new 9,000 m² facility, marking the beginning of large-scale manufacturing.

2011

2011

WREN further increased its production capacity and moved to a 16,000 m² site, continuing to enhance and diversify its product range.

2013

2013

WREN launched a full series of ultra-high-pressure hydraulic pumps and bolt tensioners, achieving complete in-house production of the entire torque tool system.

2014

2014

WREN Group was established, comprising WREN Hydraulic, WREN International, and WREN Technology. The manufacturing, office, and residential facilities were fully completed, covering a total area of 110,000 m².

2018

2018

WREN upgraded its full product lineup through digital and intelligent transformation.

2019

2019

WREN introduced its electric torque wrench series, advancing toward miniaturization, portability, and integrated design.

1992

Mr. Zhang Limin founded the WREN Hydraulic Workshop, focusing on the research, development, and manufacturing of hydraulic torque wrenches.

1996

Hangzhou WREN Hydraulic Equipment Manufacturing Co., Ltd. was officially registered, and the WREN trademark was launched.

2001

WREN expanded its operations and relocated to a new 9,000 m² facility, marking the beginning of large-scale manufacturing.

2011

WREN further increased its production capacity and moved to a 16,000 m² site, continuing to enhance and diversify its product range.

2013

WREN launched a full series of ultra-high-pressure hydraulic pumps and bolt tensioners, achieving complete in-house production of the entire torque tool system.

2014

WREN Group was established, comprising WREN Hydraulic, WREN International, and WREN Technology. The manufacturing, office, and residential facilities were fully completed, covering a total area of 110,000 m².

2018

WREN upgraded its full product lineup through digital and intelligent transformation.

2019

WREN introduced its electric torque wrench series, advancing toward miniaturization, portability, and integrated design.

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Awards & Certifications
We establish our market position with quality
  • 35
    +
    Patent Certificates
  • 4
    +
    CE Certificates
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Corporate Certificate
ISO Certificate
CE Certificate
Calibration Competence Certificate
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ISO Certificate
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CE Certificate
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Calibration Competence Certificate
Product Certificate
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Subsidiary
A subsidiary of WREN Industrial
WREN Hydraulics
WREN Hydraulics has a dedicated production facility of 9,500 m², specializing in the manufacturing of ultra-high-pressure (70–300 MPa) hydraulic equipment.
With more than 25 years of extensive cooperation with European and American companies, WREN has accumulated rich professional experience through producing core components for well-known international brands. Combined with continuous research and innovation in hydraulic technology, and supported by its uncompromising product quality, WREN has become a leading manufacturer in the global ultra-high-pressure sector.
Today, WREN offers one of the most complete hydraulic torque wrench product portfolios in the industry, with in-house production capabilities for electric and pneumatic hydraulic pumps as well as various hydraulic components.
WREN International
WREN International is located on Donggang Road in Yuhang District. Positioned at the heart of the emerging Linping New Town and within convenient reach of Hangzhou’s main urban area, the park comprises one office tower and two multifunctional buildings.

Integrating entrepreneurship, business services, commercial facilities, and single-apartment residences, the complex has a total construction area of 90,000 square meters.
WREN Technology
WREN Technology covers a land area of 16,650 m² with a construction area of 35,000 m². The company collaborates with multiple German partners and is dedicated to the research and development of various high-tech fields, including aerospace aluminum materials, biotechnology, e-commerce technologies, superconductive metals, diamagnetic metals, and corrosion-resistant coatings.
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Hangzhou WREN Hydraulic Equipment Manufacturing Co.,Ltd
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