KH Series is a professional hermetic sliding door developed by KBB and applies to a special location, which demands excellent airtightness, sound isolation, and radiation protection.
KH Series products use polyurethane high-pressure forming technology, which allows the door to be lighter while strengthening sound and heat isolation, and energy savings. It has been highly welcomed for its dust proofing, fire-proofing, air-proofing and radiation protection.