SITRO GROUP, with more than 25 years of experience, has been active since 1998 in the field of manufacturing industrial valves and control valves. We offer high-quality products and well-known brands to various markets by having the SITRO and NAPIER brands. Our priority is in the oil, gas and petrochemical industries, as well as the pharmaceutical and food industries, such as producers of milk and soft drinks and industries that use steam for heat transfer. All of our products have DIN ISO9001, CE0525, COMPANY APROVAL BV, FOUNDRY CERTIFICATES and TYPE APROVALS certificates and, using state-of-the-art technology, we provide quality and affordable products to customers through services such as design, manufacture and installation.