BYON Co., Ltd., formerly Polyvision Co., Ltd is a Korea-based company primarily engaged in the manufacture and distribution of industrial materials. The Company operates its business through three segments. Its Industrial Material segment manufactures tarpaulins, banner flexes and polyvinyl chloride (PVC) flooring materials, which are used for truck covers, roof covers, billboards, flags, container bags and house decoration tiles. Its Overseas Resources Development segment explores copper and molybdenum. Its Bio Medical segment sells medicines and medical equipment. The Company distributes its products within domestic market and to overseas markets.