ZIT- Institute for Welding, Testing and Technology Ltd. is a small-sized company with a leading role in Croatia for specialized services in engineering industry.As a specialized company we provide following services:- Control of welded joints by destructive and non-destructive testings:1) Non-destructive testings: -Radiographic examination, -Ultrasonic examination, -Visual examination, -Magnetic particle examination of welds, -Penetrant testing of welds, -Leak testing of welded joints using bubble technique, -Testing of insulation on the impenetrability.2) Destructive testings: -Tensile testing, -Impact test, -Hardness test, -Bend test, -Macroscopic and microscopic examination, -Metallographic replica techniques of surface examination.- Welding services- Welding repair- Certification of welding procedures- Certification of welding personnel- Welders training- Specialist supervision of the construction of investment buildings - Development of welding technology- Heat treatment.ZIT Ltd. has a certified management system according to ISO 9001 and its expertise is proven by the following accreditations: - HRN EN ISO/IEC 17025 selected methods of destructive and non-destructive mechanical testing of metals and welds and metallographic testing;- HRN EN ISO/IEC 17024 certification of welding personnel;- HRN EN ISO/IEC 17065 certification of welding procedures for metallic materials.In addition to these accreditations, which are available on the website of the Croatian Accreditation Agency http://www.akreditacija.hr/registar , the company is listed on the NANDO list as a competent third party in accordance with PED directive Art.13.ZIT-Zavod za zavarivanje, ispitivanje i tehnologiju d.o.o. is a company with a significant market role in the field of its business, and a vision of the future and its role, continuing its long tradition.