SRi founded in Marseille, France, in 1978 has a decades long history of serving the oil and gas, power, refining, chemical and, metals and mining industries. SRi started in France by supplying and servicing local refineries. In 1990 SRi decided to expand into the Machining of trunnion and floating ball isolation valves to its own proprietary custom design. These designs are based on its experience in servicing the oil and gas, and refining industries.

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