WONIK Materials Co., Ltd. is a Korea-based company mainly engaged in the manufacturing of gas products used in semiconductor industry. The Company's product portfolio consists of ammonia gas, nitric oxide (NO), nitrous oxide, germanium tetrahydride, disilane and laser mix. Its products are used in the manufacturing processes of semiconductors and displays such as liquid crystal displays (LCDs), light emitting diode (LED) displays and others. The Company also provides ammonia gas supply equipment. Its main customer is Samsung Electronics. It also involves in the production and sale of precursor through NOVA-KEM,LLC.