Shijiazhuang Fourth Hospital Procurement Quantity: 1 package: One set of laparoscopy system. 2 packages: One anesthesia machine a. Package 3: One anesthesia machine b. 4 packs: One ventilator. 5 packages: One high-frequency electrosurgical unit. 6 packs: One fully automatic urine formed element analyzer. Package 7: One all-digital black and white super unit. 8 packages: One set of cystoscopy system. Package 9: One compound color light skin treatment device. 10 packages: One set of wide-area ophthalmic imaging system. Package 11: One set of hysteroscopy examination system. 12 packages: One centrifuge.