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Effect of magnetic silent sealing strip2022-06-21

The door gap is the key factor to determine the sound insulation effect of the d···[More]

Function of automatic door bottom strip2022-06-21

Automatic sealing strip at the door bottom (concealed installation): there are t···[More]

Difference between rubber and plastic2022-06-21

Rubber, plastic and fiber are polymer compounds! Molecular weight is not the dif···[More]