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Shenzhen Winwin Technology Co., Ltd.

Shidu product has got lots of praise since it came to sell, it was rated as leading firm by educational circles in China, with the ability of two millions products per year Shidu is the largest manufacturer of voice amplifier in China, it has got...
Main Item: Voice Amplifier
Business Type: Manufacturer
China

Enping Macro Electronics Factory

Our main products included portable amplifier,voice amplifier,mini speaker
Main Item: Multifunctional Portable Amplifier HU899 for teaching, touring, speaking
Business Type: Manufacturer
China