News

Discover what a “ball joint separator” is, how it works, and why it’s essential for safe, efficient suspension repair. This article explains the basics — from tool types and mechanical principles to proper usage steps — helping both DIY enthusiasts and professional mechanics understand when and how to use a separator. If you value precision, safety, and durability, learn why a high-quality separator from DNT Tools stands out. Upgrade your tool kit and get the job done right the first time.

DNT Tools a long-established manufacturer of heavy-duty automotive repair tools — including bearing pullers, spring compressors, wheel-hub tools and more — is pleased to announce that we will participate in Automechanika Shanghai 2025, the premier international auto parts & repair tools exhibition.

We’ll also introduce how DNT Tools supports professionals with high-quality tool solutions.

When servicing front wheel bearings on front-wheel-drive (FWD) vehicles, having the right tool kit makes the difference between a smooth repair and a time-consuming

A brake caliper wind back tool is essential for safely retracting brake caliper pistons during brake pad replacement, especially on rear brakes with integrated parking mechanisms. This guide explains how to use the tool correctly, from preparing the vehicle and selecting adapters to rotating the piston and avoiding common mistakes. Learn professional tips for safe and efficient operation with tools from DNT Tools—built for quality, versatility and workshop reliability.

3-jaw gear pullers are indispensable tools for removing gears, pulleys, bearings, and other tightly fitted components

How to Use an Armature Bearing Puller Safely

At DNT Tools, we’ve built our reputation on high-quality extraction tools — so we’ve seen what works, what fails, and what to do next.

Exhibition invitation

At DNT Tools (Dongning Tools, Ningbo, China), although we primarily manufacture high-quality tools, we also support innovations in sustainable and off-grid technologies. In this article, we explore how a hydraulic ram pump can lift water without electricity — using only the momentum of flowing water. You’ll learn the principles, the operational cycle, and see animations or visual diagrams to help you fully grasp how it works.

Bearing separators (also called bearing splitters) are specialized tools that enable non-destructive removal of bearings, sleeves, gears, and similar components

By DNT Tools · Ningbo Dongning — as a precision tool manufacturer, we design both adjustable and preset torque tools to meet diverse needs. Discover what makes each type useful and how to choose. About Us

By DNT Tools · Ningbo Dongning — professional tool manufacturer specializing in precision pliers, sockets, and automotive/industrial hand tools. Learn more: About Us.