Zhengrui Tools Recognized as a Zhejiang Province "Specialized, Refined, Distinctive and Innovative" SME
With continuous technological innovation and market dedication in industrial bolt fastening tools, Zhejiang Zhengrui Tools Co., Ltd. has been officially recognized as a Zhejiang Province "Specialized, Refined, Distinctive and Innovative" SME, marking a new level of R&D strength and brand influence.
Zhengrui Tools Shines at the 28th China International Hardware Fair
At this exhibition, Zhengrui unveiled the HB series cordless torque shear wrenches, ZRS series hydraulic wrenches and an all-new intelligent torque management system, discussing new trends in industrial fastening with professional visitors from over 30 countries and regions.
Key Points of High-Strength Bolt Fastening Process and Torque Control for Steel Structures
High-strength bolted connections are a critical part of steel structure engineering. This article systematically reviews the technical points and common misconceptions of bolt fastening construction from four dimensions: preload control, torque coefficient, tightening sequence, and inspection and acceptance.
Global Electric Wrench Market Expected to Exceed $12 Billion in 2026
With infrastructure construction, wind power installations and new energy vehicle capacity expansion, demand for industrial electric wrenches continues to grow; lithium-ionization, intelligence and digitalization have become the main themes of industry development.
Cordless Torque Shear Wrench Selection Guide: How to Match Bolt Specifications and Working Conditions
Different torque shear wrench models correspond to different bolt diameter ranges and torque outputs; improper selection not only affects construction efficiency but can also damage bolts. This article provides a practical selection guide and field application advice.
Zhengrui Tools Reaches Strategic Cooperation with Major Domestic Wind Power Enterprise
The two parties will deepen cooperation in wind turbine tower, blade and foundation ring bolting; Zhengrui will provide customized high-torque wrenches and on-site technical support to advance high-quality wind energy development.
Zhejiang Daily: Yongkang Hardware Companies Leverage Technological Innovation to Tap the High-end Market
The report focuses on Yongkang hardware companies represented by Zhengrui Tools, and how they break through technical barriers in high-end industrial tools through independent R&D, achieving the transformation from "manufacturing" to "intelligent manufacturing".
New Steel Structure Construction Quality Acceptance Code Raises Higher Requirements for Bolt Fastening
The new code further clarifies incoming inspection of high-strength bolt assemblies, torque coefficient re-verification and final tightening acceptance requirements, accelerating the adoption of digital torque management tools by construction companies.

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