El vidrio de vacío está separado por un soporte de 0,2 mm 0,4 mm de altura, y los bordes de las dos capas de placas de vidrio se sellan con vidrio de baja temperatura, y luego se descarga el aire.
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.
