Roc International Electric Co., Ltd (Roc Electric ShenZhen Co., Ltd) Roc serves fields of automation in global markets, whose head office located in GuangZhou,DongGuan and Shenzhen, GUANGDONG, CHINA. We kindly sell some famous factory automation products, the brands such as Siemens , Mitsubishi PLC,Schneider, AB,and so on. We are so stronger on Siemens Plc/ Siemens HMI /Siemens Inverters & Mitsubishi FA, AB-PLC,that we can sell them to many countries. We 详细介绍