Vacuümglas wordt gescheiden door een 0,2 mm-0,4 mm hoge steun, en de randen van de twee lagen glasplaten zijn afgedicht met lage-temperatuurglas, en dan wordt de lucht ontladen.
2022/02/14
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
