We are one of the biggest companies which dedicate to designing and manufacturing nano-crytalloid black diamond and sapphire surgical knives in China. Our main range include sapphire and nano-crystalloid black diamond surgical knives, which are widely applied in ophthalmic surgery, plastic&cosmetic surgery etc. We have first developed the keratome blades  using the nano-material, and this supply a gap of domestic relative fields. Except the surgical knives we also design and develop  variety of knives, such as optical cable cutting knife.