United Paper Public Company Limited is a Thailand-based company engaged in the manufacture and sale of kraft paper. The Company produces and distributes box surface paper and kraft paper for packaging corrugated boxes. The Company's products can be categorized into two main groups, which are kraft liner boards and corrugating mediums. Both products are made with different grades and specifications suitable for various purposes, including packaging for electrical appliances, canned food, beverages and others. The Company operates its business for both domestic and overseas markets. Its head office is in Bangkok. It also operates a kraft paper production plant in Prachinburi province.