我公司有各种型号西门子6SE70变频器，全新原装，价格优惠 

西门子变频器基本故障维修： CPU故障维修；I/O电路故障维修；电源电路故障维修；欠压/过压/过流故障维修；IGBT损坏维修；整流桥故障维修；逆变电路故障维修；通讯故障维修。 技术特点：对各种设备电路板进行无图纸芯片级维修；使用先进的维修测试仪器，可以在线对集成电路元器件进行功能测试；对可编程件进行存储，烧录。维修产品种类多，工程师经验丰富，器件资料齐全；维修费用低、方便快捷保修期长。

来电咨询：齐工
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