Hangzhou Guankang Medical Device Co., Ltd. is a professional and devoted supplier who keeps the certification of ISO13485 and CE on disposable medical devices, we are also authorized in production and marketing suction connecting tube,nasal oxygen cannula, Nasal oxygen tube with mask, simple oxygen mask, 2/6/7 colour venturi mask , Oxygen mask with reservoir, anesthesia mask, CPR mask, laryngeal mask airway, guedel airway and nebulizer mask kits and so on. We are equipped with GMP standard 100,000 class clean room which covers beyond 1000 square meters. Manufacturing facilities and testing...