About Us Characteristics and Strengths of Our Company As a leading company representing Korea's locks and keys of the 21st century, Zarker Co., Ltd. is a specialized lock manufacturer, recognized not only in Korea but also abroad, that prioritizes the long-term future through unceasing dedication to product development and customer service. - Optimal suggestions and implementation services - Holds lock manufacturing technology - Experience and know-how of Korea's top player in the market - Elite professionals and industry network “No.1 Korean company specializing in locks which is a trusted value provider to customers”