China's first professional speaker diaphragm coating manufacturers

16 years of experience in loudspeaker diaphragm material industry

Hotline:86-0769-83288189

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Contact: Miss Zhong mobile phone: 86-0769-83288189 Tel: 86-0769-83288189
Fax: 86-0769-82819788 postal code: 523413
Main products: loudspeaker coating and the surrounding material

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China's first professional speaker diaphragm coating manufacturers

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