Industrial News
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The origin of the door wheels
The origin of the door wheels： According to the General History of the World, wheels first appeared in Mesopotamia, and in China, wheels appeared around 1500 BC. By rolling the wheel, the friction with the contact surface can be greatly reduced, and the heavy objects c...Read more -
The door sucks the door top to have what distinction
The door sucks the door top to have what distinction The top of the door is generally used in the toilet, so it is used in the toilet because it will not rust. Door suction is generally installed on the door of the toilet. The difference is that the top of the door is an...Read more -
Classification and material of door stopper
1. Classification: ordinary permanent magnet door jams are divided into wall mounted type and floor mounted type according to the installation form, plastic type and metal type according to the material; electromagnetic door jams are divided into different types. Installation products are divided...Read more
