1 CE Certificated 2 Alloy metal stents, spray technology, very dura 3 Protective power switch and back-up power interface Feature1. CE Certificated2. Alloy metal stents, spray technology, very durable3. Stainless steel pressure monitoring gauge, the scope: 0-1Mpa, 0.05 scale readable.4. Protective power switch and back-up power interface, effective to eliminate the accident happens.5 .New ...