Torque Wrench Manufacturer in China

Greatmax is a professional torque wrench manufacturer in China specializing in OEM and private label torque solutions for professional tool brands, distributors and industrial customers worldwide.

Our product range includes:

• Mechanical Torque Wrenches
• Digital Torque Wrenches
• Torque Screwdrivers
• Interchangeable Torque Wrenches
• Torque Multipliers

All products are manufactured under strict quality control procedures and supported by our in-house calibration laboratory.

With more than 15 years of industry experience, Greatmax supplies customers across Europe, Australia, North America and South America.

In-House Calibration Laboratory

Accuracy is critical for professional torque tools.

Greatmax operates an in-house calibration laboratory supporting product verification, quality control and OEM development projects.

Every production batch is tested and verified to ensure consistent performance and reliability.

Why Choose Greatmax

• ±2% Accuracy
• OEM & Private Label Solutions
• In-house Calibration Laboratory
• B2B Manufacturing Partner
• ISO 6789 Compliant Testing

FAQ

Does Greatmax provide calibration certificates?

Yes. Calibration verification and certificates are available for selected products and projects.

Can Greatmax manufacture private label torque wrenches?

Yes. We support OEM and private label programs for distributors and tool brands worldwide.

What torque wrench standards does Greatmax follow?

Products are manufactured and tested according to ISO 6789 requirements.

Why choose Greatmax as your torque wrench supplier?

Greatmax combines manufacturing capability, calibration support, OEM experience and global market expertise.