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Yangzhou Donva Electronics And Spring Co.ltd

Our company are specilized in all kinds of compression springs, torsion extension spring and specail springs. 1. wire diameter spring:0.2mm~10mm 2. Material range: carbon steel, alloy music wire, stainless iron, plated steel , bronze, phosphor copper, beryllium copper;etc. 3. surface ...
Telephone:86-0514-87638567 Address:Jiangyang Industrial Area, Yanzhou, Jiangsu, China
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