Based in ShenZhen which is a twin city of Hong Kong, Roc International(ROC-Int) Electric Co., Ltd, one the largest trading companies in China focus on whosale industry automation products such SIEMENS, Allen Bradley, Omron, Mitsubishi, Schneider, ABB, GE,Yokogawa ect.

Roc International(ROC-Int) Electric Co., Ltd was established in 2008, ROC-Int become one of the famous supplier in China based on competitive price and original products, good reputation and our global sales network and large stocks.  We pay much attention on quality and good channels(competitive price), with dozens of purchasing engineers and after service engineers, ROC-int products are exported to the markets worldwide.

ROC-Int have large stock and competitive price for below:

SIEMENS:
SIEMENS Simatic PLC, S7-200,S7-300,  S7-400, SIEMENS logo,S5

SIEMENS  S5 PLC S5-100U,S5-115U,S5-155U  battery power supply SCADA plc Control System sitop,SIEMENS Wincc SIEMENS  CPU I/O Module, Address templates, Annex PLC,Expansion modules digital,Function modules
SIEMENS  ET200,SIEMENS ET200M,  simatic siemens ET200S,  SIEMENS wincc,SIEMENS Spare Parts
SIEMENS  Touch Panel ,SIEMENS MP277,SIEMENS MP377OP 177B PN/DP Color 6AV6..

SIEMENS  Master Drive,SIEMENS Variable Speed drive, 6RA..

SIEMENS  Inverter,SIEMENS MM420, SIEMENS MM430, MICROMASTER MM440,6SE4..6SE70..

SIEMENS  S5-100U,S5-115U,S5-155U  battery power supply SCADA plc Control System sitop,SIEMENS Wincc V7.0

Allen-Bradely:  
Allen-Bradely SLC100  PLC
Allen Bradley SLC500
Analog I/O Modules
Communication Modules
CPU ModulesDigital I/O Modules
Allen Bradley FlexEX
Allen Bradley FlexIntegra
Allen Bradley FlexLogix
Allen Bradley Ind. Controls
Allen Bradley ControlLogix 1756 System PLC
Allen Bradley Spare parts
Allen Bradley Accessories
Allen Bradley Operator Interface
Allen Bradley ControlNet
Allen Bradley 22A 22B 22C 22D 22E 22F
Operator Interface HMI 2711 2711P

Schneider: 140 Modicon series PLC
Omron: CJ1W PLC;  
Mitsubishi: A/Q series PLC
ABB Drive: ACS355...