Susin-I-Tork India [P] Ltd manufactures Special Material Position Monitoring Switches, ITS 500. Susin-I-Tork India [P] Ltd is an ISO 9001:2000 certified high precision component manufacturing company. The Special Material Position Monitoring Switches are made of high impact resistance poly-carbonate material ensuring instant visual recognition of valve or actuator position up to 50 meters distance. These are used in off-shore application. These also have special stainless steel housing offering protection against extremely corrosive environmental condition.