Dalim Tissen, Proven Confidence for Tissue Regeneration Established in 2006, Dalim Tissen has mainly focused on biomedical solutions based on porcine-derived collagen. We have developed bio-surgical, dental, and cosmetic products from high-purity collagen. We have a network in over 40 countries and are continually expanding our global presence. Currently, we hold 17 domestic and 13 international patents, showing our dedication to innovation.