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GOODCONNY INDUSTRY (HK) LIMITED was founded in 2014, with our plant basing in Shenzhen, covering an area for 1000~1500 square meter. We have been focusing on the R&D, manufacture & sales of noise cancelling product, call center headphone, bluetooth headphone, cordless headphone...etc. Basing on four years of R&D on noise cancelling project, we are now able to give acoustic cavity tech support, adjust acoustic curve, make filter circuit tech art, insert software, make sample machine, ODM/ OEM noise cancellin...
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