Certificates ProGum is certificated according to ISO 9001, ISO 14001, and IATF 16949. ISO14001-2015 Certificate Taiwan Head Office ISO14001-2015 Certificate Taiwan Head Office ISO/IATF 16949: 2016 Quality Management System - Taiwan Plant ISO/IATF 16949: 2016 Quality Management System - Taiwan Plant ISO/IATF 16949: 2016 Quality Management System - China Plant ISO/IATF 16949: 2016 Quality Management System - China Plant ISO/IATF 16949: 2016 Quality Management System - China Plant ISO/IATF 16949: 2016 Quality Management System - China Plant ISO 9001:2015 Quality Management System - Taiwan Plant ISO 9001:2015 Quality Management System - Taiwan Plant ISO 14001:2015 Environmental Management System - Taiwan Plant ISO 9001:2015 Quality Management System - Thailand Plant