Hejian Tongda Telecommunications Equipment Factory, established in 1985, Main Products has communication with metal processing (Tietong Telecom Netcom, etc.), electricity meter box electric power distribution cabinets, circuit iron (splint, hold hoop, anchors, cables linked ring lining, etc.) cable, telephone lines, network lines, such as a range of products.
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hold hoop method 抱箍法
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