What are the classifications of Luban locks?

[ Huaqiang Security Network News ] What are the classifications of Luban locks? 1, the size of the hole lock 2, four seasons lock 3, Kong Ming chain lock 4, twelve-party lock 5, square lock (square angle Luban ball) 6, twenty-four locks (class A and B) 7, eighteen hook

How to choose the right coating

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How to choose aluminum alloy doors and windows?

Aluminum alloy is a kind of metal raw material widely used in various modern industries. Especially in the door and window industry in the modern construction industry, it is widely used. The high-quality aluminum alloy doors and windows not only have a gorgeous appearance, bu

Introduction to the working principle of the inverter

[ Huaqiang Security Network News ] The frequency converter is a physics concept. This article introduces the definition concept and working principle of the inverter. A frequency converter overview Variable-frequency drive (VFD) is a power control device that controls the AC

Can aluminum alloy wheels be repaired?

Under normal conditions, if your aluminum alloy wheels are deformed or broken, it must be due to the careless driving that causes the hub to be subjected to strong external impact. We often see articles and advertisements concerning the repair of aluminum alloy wheels on the