RSI Global Well Control Panels,Substation Relay Protection,Dive Chamber Controls,Pneumatic hydraulic Controls,Electrical PLC Controls,contol panels,diving control systems,plc control systems Rock Shield International (RSI) is a leading professional provider of training, consultancy, support, management, verification, laboratory analysis and certification in the fields of Food Safety and Hygiene, Occupational Health & Safety Standards, Quality Standards, Environmental Standards, Sustainability & CSR Standards in compliance with the ...