Certifications Tb Group quality Quality for Tb Group is not just a technical matter, it is about organizational and management aspects and involves the whole company QUALIFICATIONS We are certified for: Assembling bodywork components for industrial vehicles. Machining sheet metal and mechanical parts. Welding Procedures To view certificates click on the links below on the right hand side (PDF) Third party assembling Mechanical Workshop (Welding department) Conformity Certificates for assembling procedures Certificate for Welding