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HGZZ Haogong window torque wrench - two color series

Window torque wrench is a torque wrench with a window display scale, which allow...
HGZZ Haogong window torque wrench - monochrome series

Window torque wrench is a tool used for precise torque control. It can visually ...
HGZZ Haogong digital torque wrench - two color series

Digital torque wrench is an advanced torque testing tool that provides intuitive...
Mechanical torque screwdriver

A mechanical torque screwdriver is a type of screwdriver that can adjust torque,...
Window style torque gauge

A digital torque meter is a measuring tool with a digital display function, used...
HGZZ Haogong interchangeable torque wrench -16PCS set series

The interchangeable head torque wrench is a multifunctional tool that can be use...

About Us

Hangzhou Hao Gong Tools Co., Ltd.

Hangzhou Hao Gong Tools Co., Ltd. Manual Measuring Tool Manufacturers and Manual Measuring Tool Suplliers. Hangzhou Hao Gong Tools Co., Ltd. (Hangzhou Source Tool Machinery Co., Ltd.) is a combination of industry and trade enterprises, committed to the production of torque wrenches, ratchet wrenches, socket tool sets, and other auto protection and hand tools products, used in automobile repair, maintenance, energy construction, rail transit, machinery manufacturing, and many other industries. Domestic and foreign partners will receive Haogong quality. We will rely on a rigorous work attitude, strong sales channels, and perfect after-sales service, and continue to provide efficient and high-quality services for partners worldwide.

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How can a mini ratchet wrench achieve flexible steering in complex spaces?

In operations such as mechanical maintenance and equipment installation, complex spatial structures ...
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Technical analysis of the visual measurement mechanism of Window style torque gauge

The precise measurement system of Window style torque gauge converts the weak electrical signal tran...
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Torque control of mechanical torque screwdriver: exquisite coordination of structure and mechanics

The core mission of mechanical torque screwdriver is to transmit the rotational force applied by the...
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Working principle of torque wrench: the secret behind precise tightening

As the core tool for precise tightening of bolts and nuts, the design and working principle of torqu...
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How does a ratchet wrench achieve efficient synergy through precision assembly?

The excellent performance of a ratchet wrench depends on the precise mechanical assembly process bet...
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How can dustproof ratchet wrenches improve operational reliability in harsh working conditions?

Analysis of dust protection mechanism: sealing design and dust protection principle of ratchet wrenc...
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