HBTE is dedicated to the research and development as well as the manufacturing of shielding filters in the field of communications. Their products are utilized in various applications, including electromagnetic wave anechoic chambers, shielding rooms, shielding boxes, and shielding cabinets. Within their range of shielding room filters, there are several types: AC shielding room filters, DC shielding room filters, signal shielding room filters, and ground line filters.