SINUS Ltd engine valves are manufactured under strict quality standards by a highly skilled quality control staff.

Quality control is carried out through all stages of production beginning with the reception and inspection of raw materials arriving from the leading steel manufacturers in their field and up to the actual shipment to assure that each and every valve leaving the factory gates is flawless.

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SINUS Ltd comply with the ISO 9001:2000 European standard:

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SINUS Ltd standard is also recognized by the IQNET Network which members are the most respected standards institutes in Europe.