We have professional technical staff, have complete testing equipment, dedicated professional services team.
我们有专业的技术人员，有完备的检测仪器，有专业尽职的服务团队。
Headphone professional equipment through testing, by a professional engineer carefully screened out.
我们的耳机都通过专业设备测试，由专业的工程师严格筛选出来的。
Headphone professional equipment through testing, by a professional engineer carefully screened out.
我们的耳机都通过专业设备测试，由专业的工程师严格筛选出来的。
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