Based in Shenzhen which is a twin city of Hong Kong, our company, one of the largest trading companies in China, focuses on wholesaling industry automation products such
Siemens, Allen Bradley, Omron, Mitsubishi, Schneider, ABB, GE etc.

Our company was established in 2008. Our company becomes one of the famous suppliers based on competitive price and original products, good reputation, 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, and our products are
exported to the markets worldwide.

ROC has 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 and 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
Allen Bradley Analog I/O Modules
Allen Bradley Communication Modules
Allen Bradley CPU Modules Digital 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...