专业生产各种动圈受话器、驻极体话筒及多种通信产品配件。
It specilizes in manufacture of carious circyle receiver electret receiver and accessories of various telecommunication product.
专业生产各种动圈受话器、驻极体话筒及多种通信产品配件。
It specilizes in manufacture of carious circyle receiver electret receiver and accessories of various telecommunication product.
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