HK’s medical mattress basically contains six types of special minerals inside the mattress that emit negative ions and far-infrared rays in large quantities. These minerals are well known for relieving fatigue and helping blood circulation; and also the medical mattress is designed in a hexagonal shape to avoid damage from other substances

HK was established in 1993 with the purpose of providing superior medical equipment not only to Korea but to the world. Through its 17 years of experience, consistent production ability, technical skills and research, it has fulfilled these purposes. Some outstanding skills it has mastered