Grandhope Biotech Co.,Ltd. is principally engaged in the research, development, production and distribution of regeneration medical materials and medical implanted devices. The Company primarily provides biological dura mater patches, chest general surgery department patching membranes (type P) and (type B), as well as asepsis biological wound-surface protection membranes, among others. The Company's biological dura mater patches are mainly used for repairing, enhancement and expansion of dura mater and spinal dura mater. Its chest general surgery department patching membranes (type P) and (type B) are mainly used for repairing and rebuilding of chest wall defects, diaphragm defects and internal organs peplos defects. Its asepsis biological wound-surface protection membranes are mainly applied in the treatment of skin burning, scalding and trauma wounds.