Product Description: friction type tension device is winding machine winding can occur in the link member tonal tension, the enameled wire wound with appropriate tension, so that the wound coils for fastening tightness, plump, ensure consistency of coil technology index. Dongguan Jincheng Industrial Co., Ltd. is a research and development, manufacturing, sale of tension control, magnetic damper, as one of the professional manufacturers, the main production: tension device series, magnetic damper series, tension device, magnetic damper, magnetic damper damper, damper, and other goods. Www.www.swlawyer.org.cn