Aluminium alloy chestpiece,good sound conduction 
Standard single pvc tubing,color is optional

1. The size of sound collecting chamber is 10% bigger than that of the common products
while the sound collected is 6% louder.
2.Antistatic glass paint technology, good feel and wear-resisting
3.The rotate-shaft is totally airtight and could bear 2 Pascal of atmospheric pressure
4.The rubber tube is made of PVC, with the softness up to 38-45 degree. The material is
durable and comfortable to wear.
5.The earplug is made of patented dual-color silica gel. The earphone matches doctors' auricle
shape.
6.Include two pairs of earplugs with different size
7.The only stethoscope meeting CE standard in China,800-1500hz with sound drop <3.5db,
80-500hz with sound drop <7.2db

Hangzhou Demo Medical Technology Co., Ltd is a professional medical products designer, producer and exporter in China. Ever since its foundation, DEMO has always strictly abided by the motto of Quality First and Reputation . Now DEMO is mainly engaged in the Designing and supplying of surgical dressings, Medical disposables in class I, class II and class III, medical instruments and appliances.

Surgical dressings & medical supplies are one of the most essential healthcare products, As a Main target in our company, we have established close business relations with over 30 factories in China. And our products are being spreaded by our partners and customers in more than 20 countries and regions in the world. Our company is CE and ISO 13485 certified. 

Our products include Syringes,Infusion Set,Medical Catheter,Diagnostic Implement,Medical Polymer products,Hospital Instrument,Medical Cotton,Disposable Non-Woven, Medical Gauze,Surgical Tapes,Medical Bandages,Sterilization Package,Dental Products, Foot Care products.

Name: David
Tel: +86-571-87390575
Fax: +86-571-87390523
Website: www.demomedical.com
E-mail:  david@demomedical.com
Add: Room303, Building No.6,Zhongce Garden,No.8 St, Hangzhou Eco And Tceh Dev Zone, Zhejiang,China