Raystek Process Instruments LLP is an ISO 9001:2015 certified Ahmedabad-based manufacturer specializing in industrial temperature sensors and process instrumentation under the RAYS brand. Established in 1996, the company manufactures RTDs, thermocouples, thermowells, temperature transmitters, thermistors, cables, connectors, and customized temperature measurement solutions. With dedicated manufacturing, R&D, testing, and calibration facilities, Raystek supports diverse industrial applications across chemical, pharmaceutical, food and beverage, power, steel, cement, plastics, textiles, and heat treatment industries. The company combines technical expertise, application-focused engineering, and quality-driven manufacturing to deliver dependable solutions for demanding temperature measurement requirements.