Profile: SZ MedicalInstrument Co., Ltd. develops and produces ophthalmic surgical instruments. We offer black diamond and sapphire surgical knives with optimum function & efficiency. Our sapphire surgical knives are available in double edge, tri-faced, single edge, double lancet with blunt sides, tunnel and trapezoid four-faced types. We also offer replaceable blade services. The blade design of our black diamond surgical knives and sapphire surgical knives are replaceable which help save resources. We also provide custom-made services to make special knives according to the requirements.