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Zhengzhou Zhibao Science&Technology Co., Ltd
We produce high purity single crystal copper/silver wire, earphone wire, speaker wire, holding wire and other HIFI wire.
Telephone:86-0512-52599893Address:Haiyu, suzhou, Jiangsu, China
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Shenzhen Estron Technology Co., Ltd.
Estron is a leading supplier of micro-acoustic components for hearing instruments, in-ear earphones, high-end headsets and specialized in the design manufacturerhigh-end Hybrid driver (dynamic + balanced armature receiver) Hifi earphone. combines cutting edge acoustic competencies ...
Telephone: 86-134-18732810Address:Bao'an Xixiang Street
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