D & D Chemical Inc. was found at the end of 2010. Our expertise is polyurethane technology, include production and formulation development. The headquarter locates in Hsinchu, Taiwan while the production facility locates in Taichung, Taiwan. The two founders Dr. Lin and Dr. Wang have been working in PU Industry for over 30 years. D& D has a full range of earplug products including disposable PU foam earplugs, reusable TPR earplugs, headband earplugs, metal detectable earplugs and easy fit in earplugs. Our products are widely used in personal protection, construction, automotive, manufacturing, military, food processing and other hearing protection fields. D&D products offer excellent quality and noise reduction ratings which have met various international testing standards and certifications, including: 1. ANSI S3.19-1974 2. EN352-2:2002 3. AS/ NZ S1270:2002 4. EU regulation 2016/425 CAT. III 5. CE & UKCA certified Since its establishment, D&D has adhered to the concept of quality control and market demand and passed the ISO9001:2015 quality certification in 2019. Our products have been exported and sold all over the world including North and South America, Europe, South Africa, Middle East, Asia and Australia/New Zealand. We value quality, innovation and customer satisfaction and build long-term relationships with our customers. With the mission of becoming an earth-friendly neighbor, D&D has implemented recyclable and sustainable packaging. At the meantime, D&D is also developing new eco-friendly earplugs, aiming to the sustainable development of the earth.