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SIO was founded in 2009 with a commitment to providing customers with complete solutions for industrial ball valves.

We specialize in the design and manufacturing of ball valves widely used in oil and gas, chemical, power, mining, water treatment and general industrial systems.

We offer a wide range of products adhering to API, ASME, BS, ANSI and other standards. Our products are made in a large variety of cast steel and forged steel materials such as carbon, alloy, stainless and other special alloys including duplex, alloy 20, Inconel, hastelloy and monel. Using these same materials and adhering to the same standards,.

we also offer gate valves, check valves and globe valves in our product line.


To design, manufacture, and supply high added value valve products, managing the projects in an honest way for our customers, people and environment.


To become the first option in choice for our customers, suppliers, people and environment, being recognized by the fulfillment of our commitments by means of our values.

NDT system

We believe that quality and success is determined by details.
And we implement this belief in every working procedures like production, test and after sales service, etc.
To do this, we hope only that we can do better in thi specialized filed.