HDM quality policy is based on customer satisfaction. Technology, quality and customer satisfaction are all essential elements for HDM. Total Quality Management is practiced at each level of the manufacturing process, also until the delivery of the products to the end user. HDM’s all facilities are accredited with ISO 9001 Quality Management System Certificates and also OHSAS 18001 and 14001 Health, Safety and Environmental Certificates HDM Management and all employees have strictly compliance with applicable Safety, Environment, Health legislations. HDM is also carrying out the production acc to major pipe production standarts / API 5L, EN 10219, ASTM A 252 etc.