Roc International Electric Co., Ltd (Roc Electric ShenZhen Co., Ltd) Roc serves fields of  industry automation products in global markets.
We are so strong on below:

 Siemens , Omron,Mitsubishi,Schneider, AB PLC and so on

* SIMATIC S5/S7-200/300/400/1200 PLC  * Siemens Touch Panel  6AV6** * SIMATIC Converter/ Inverter/Master Drive * ET200M,ET200S  I/O Module * Micromaster 420,430,440 Variable Speed drive
* siemens CNC/LOGO/Software/Wincc V7.0
Allen-Bradely: *SLC500  1746 1747  series PLC *FlexLogix 1794 series plc *ControlLogix 1756 System PLC
*Operator Interface HMI 2711 2711P *Inverter AC Drive 22A 22B 22C 22D 22E 22F
Schneider Modicon/140PLC; Mitsubishi A/Q series PLC; Omron CJ1W PLC;    ABB Drive ACS355...

SIMATIC S7-200
SIMATIC S7-300
SIMATIC S7-400
WINCC,STEP7 Software
ET200 6ES71 Series
SIMATIC HMI 6AV Series 
6ES5  Series
6DD  Series
6SN,6FC,6FX Series
MM440,MM430,MM420 Series
6RA,6ES70 Series

PLC Simatic SIEMENS  ROCKWELL, Allen Bradley , AB,  MITSUBISHI,  OMRON  ,GE-Fance  MODICON,  slc500,  Digital   Analog  I/O Modules autmotion  electric

S7,  S5 ,HMI,  AC Inverter, Dc inverter, Spare Parts
S7-200,S7-300,S7-400 logo  S7-1200,  ControlLogix
PG,   HMI ,  Wincc
ET200M,  ET200S,  Profibus
MM420,  MM430,  MM440, 6RA, Variable Speed drive, dc drive
 Touch Panel  6AV6 ,
Converter,   Inverter,  Master Drive
 CNC/LOGO/Software/Wincc V7.0

Soft startor and SIMOREG DC MASTER CPU
A/Q series   Quantum Processor  140 PLC 140CPU  Sick sensors
Programmable Logic Controller  
flexlogix  Operator Interface  AC Drive 22A 22B 22C 22D 22E 22F
Operator Interface HMI 2711 2711P

*SLC500  1746 1747  series PLC
*FlexLogix 1794 series plc
*ControlLogix 1756 System PLC
*Operator Interface HMI 2711 2711P
*Inverter AC Drive 22A 22B 22C 22D 22E 22F

S5-100U,S5-115U,S5-155U  battery power supply   SCADA plc Control System sitop
motor, contactor
SINUMERIK 810D,SINUMERIK 840D,SINUMERIK 840Di
MASTERDRIVES MC,MASTERDRIVES VC
SINUMERIK 810D,SINUMERIK 840D,SINUMERIK 840Di

SIMOTION D425,SIMOTION D435,SIMOTION D445

SIMOVERT MASTERDRIVES CONVERTER

SIMOTION D425,SIMOTION D435,SIMOTION D445

SIMOVERT MASTERDRIVES CONVERTER