HBTE is committed to the research and development as well as production of shielding filters in the field of communications. Their products are used in various applications such as anechoic chambers and shielding rooms, shielding boxes, and shielding cabinets. Among them, the shielding box and cabinet filters are divided into AC shielding box and cabinet filters, DC shielding box and cabinet filters, and signal shielding box and cabinet filters.