KCT that produces new functional material using charcoal applied charcoal polymer made by a patented method and manufactures various products. Utilizing efficacies of charcoal, such as fresh storage, antibacterial, radiation of far-infrared rays, and deodorization, KCT develop air-tight container, cutting board, charcoal vinyl and packing material for storage of vegetables and fresh fruits, and supply those products to department stores and bigger clients. KCT's functional packing material will open a new era with its excellent performances in humidity regulation, deodorization, absorption of decomposition gas(ethylene). KCT will continue to develop new functional materials that will fit to costomers demand and will become a recognizes enterprise in this new functional material section.