1. High-grade chest-piece made of light metal
2. Hand crafted solid stainless steel or zinc alloy chest-piece
3. Highly sensitive replaceable diaphragm for perfect hearing, tilt-resistant tube
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Jiangsu Cunrui Metal Products Co., Ltd, 20-year experience in manufacturing and exporting stainless steel coil/sheet/plate/pipe/bar/profiles, a professional supplier with ISO9001 certificate in China.
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Xi'an Dongao Biosciences Co., Ltd.: Welcome to wholesale cheap personal protective equipment, medical supplies, medical raw materials, medical device, plant extracts in stock here from professional
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Xi'an Dongao Biosciences Co., Ltd.: Welcome to wholesale cheap personal protective equipment, medical supplies, medical raw materials, medical device, plant extracts in stock here from professional
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