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CoIO Group is a European company with customers all over the world. Its object is the manufacture of Wire Harnesses. It is located in Greece and Bulgaria with a distance of 90 km, about 40 minutes between the companies.Human resource available more than 120 people in both countries.We design, develop, improve, research and produce all types of Wire Harnesses.Our production has departments for serial production as well as for specialized products. Due to its structure, it has the capacity to produce from 1 piece up to no limit.