Shenzhen Qomo Electric Appliance Co., Ltd: We're well-known as one of the leading microphone, earphone, wireless microphone, wired microphone, wireless earphone manufacturers and suppliers in China.
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Alumina powders are aluminum powders with high active surface and chemical properties. These types of powders usually have a specific particle size and a relatively small particle size. Active powder
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The 20mm speaker unit uses NdFeB with the best performance, which is small in size, high in power and wide in frequency range under the same magnetic flux. At present, many headphones basically use
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C&Z type purlin forming machine is specially used to manufacture multi-size C-type and Z-type purlin channel steel production automatic and semi-automatic purlin roll forming machine.
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