Bagtyyar Yoda Individual Enterprise relies on our partner's metal structure concepts in all forms of steel construction, including pre-engineered steel and structural steel, ranging from 100 - 20,000 sq. m2. for customers anywhere in Turkmenistan Our partner has been in the steel and metal building industry since the 2000s. Pre-Engineered Steel Pre-engineered steel buildings have lower initial costs, greater design flexibility, faster occupancy, and lower maintenance costs.