Shanghai Haoyin Intelligent Technology Co., Ltd.

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Various electroacoustic performance tests

Various electroacoustic performance tests

Each process is subject to special inspection, mutual inspection, and sampling inspection

Each process is subject to special inspection, mutual inspection, and sampling inspection

Strictly control every production process

Strictly control every production process

Adopting advanced testing and inspection equipment

Adopting advanced testing and inspection equipment

All products have undergone aging testing

All products have undergone aging testing

Related projects

Related Products

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