In fact, one of the "hearts" of the elevator, Elevator Drive Pulley, plays a vital role.

Many people may not pay much attention to the existence of wheel end brake drum, but it is actually an indispensable part of the vehicle braking system.

Many people may still have the impression that sand casting is "backward" and "rough". In fact, modern sand casting is no longer what it used to be.

In daily car maintenance or use, many people may not be familiar with the Automotive Driveline Slip Yoke. But it actually plays a very important role in the car's driveline system, especially for rear-wheel drive vehicles.

In the huge industrial system of automobiles, there are tens of thousands of parts, and even hundreds of thousands of them. The more we study in daily maintenance or technical development, the more we can feel that some seemingly ordinary or even inconspicuous small parts actually support the core of the entire system. What I want to talk to you about today is a part that we are very familiar with at work but often overlooked: Automotive knuckle.