Zaklad Slusarski GREN was founded in 1990. Since its most important goal for the company was the highest quality of products like also meeting customer requirements. In 2004, the Company has implemented and applies a Quality Management System according to PN-EN ISO 9001, and in 2007 was also implemented Quality Assurance System according to Directive 97/23/EC, which entitles the company to determine the sign of the pressure equipment manufactured CE0035.