DA FU ENTERPRISE CO., LTD. specializes in the production and sale of innovative tea brewing solutions under the brand 'TeaCup.' Their flagship product, the '隋手杯' (Suí Shǒu Bēi), is a patented instant tea brewing cup that allows users to enjoy freshly brewed tea conveniently. The company emphasizes product safety and quality, ensuring that their cups are made from high-temperature resistant, eco-friendly materials and that the tea leaves used are free from pesticide residues. They have obtained patents in Taiwan and Japan for their unique brewing method.