公用電話零組件 聽筒HT-600系列
2.超音波鉚接-扭力測試150 LB/IN。
3.TR器採用高品牌（亦可由客戶指定或提供）。
4.螺旋管採用SUS 304，伸縮性強，柔軟度好，拉力經測試170 KGS以上。
5.導線採用Tefolon芯線，防火性佳及耐摩擦。
6.絕緣測試DC 500 V以上。
1.Handset was adopted ABS material, with good antistrike and anticlimate nature.
2.Ultra-sonic bonding-twisted force test 150 LB/IN .
3.Transmitter and Receiver were adopted the high class brand
4.The spiral hose was adopted SUS 304.
5.Steel cable was adopted 3/32*(7*19) air line cable, two ends were welded specially anti-drawing force over 170kg.
6.Conducting wire was adopted with tefolon high temperature wire.
7.Insulation test is over DC 500V
2.Ultra-sonic bonding-twisted force test 150 LB/IN .
3.Transmitter and Receiver were adopted the high class brand
4.The spiral hose was adopted SUS 304.
5.Steel cable was adopted 3/32*(7*19) air line cable, two ends were welded specially anti-drawing force over 170kg.
6.Conducting wire was adopted with tefolon high temperature wire.
7.Insulation test is over DC 500V
