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http://portalrankings.com/info/hzaihua.com.cn

杭州爱华仪器有限公司主营:防爆声级计,倍频程声级计,噪声测试仪,噪声仪,噪声统计分析仪,振动测试仪,个人声暴露计,噪音检测,振动计,声校准器等.是内声学测量仪器主要研制与生产厂家。