Da Yu Enterprise Co., Ltd. located in Taiwan and provide OEM/ODM service for their customers all over the world. Our medical graduated compression stockings are among the best available on the market. - Quality and customer satisfaction are our priorities. - Diverse set of equipment (for medical and sports models). - Swiss-made compression tester - Individual approach, intellectual property rights guaranteed. - 25 years of experience in medical compression hosiery production. - ISO 13485 and ISO9001 certification, GMP. - Our products are registered with FDA, comply with CE safety standard