of Cardiff
2016 Currently trading.'Group consists of HDM Steel Pipe Inc, (HDM Celik Pipe Inc), HDM Spirally Welded Pipes Inc, HDM Tubes Ltd UK, HDM Foreign Trade Inc. HDM Quality Control Ltd. HDMs driving force is steel pipe production. Group owns and operates 3 pipe mills, 2 in Turkey and 1 in UK reaching to 150,000 mtons/year of production capacity.'