What is the Super B-level lock core?

What is the super-B lock cylinder? What is Super b-level lock cylinder? What is the technical standard of Super B-class anti-theft lock cylinder? Many consumers will encounter some merchants’ propaganda when they purchase smart locks, claiming to be ultra-B class anti-theft locks. As we all ...READING MORE...

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Different points of air conditioning frequency conversi…

[ Pacific Security Network News ] Do you know the difference between air conditioner frequency conversion and fixed frequency that are commonly used in our daily life? This article is a detailed introduction for everyone. The air conditioners on the market can be divided into two types: inverter ai ...READING MORE...

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Three strokes help you find a good decorator in your he…

The painting of home decoration paints is indispensable, and the entire wall decoration is completed on the one hand and the other, but this contains a great deal of knowledge. For owners, it is a risky business to paint your own hands. Of course, the reality is usually given to painters. However, ...READING MORE...

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