Consistently high and guaranteed quality creates customer satisfaction. WHM has been DIN ISO 9001 certified since 1995. Continuous vocational qualification courses and professional training of our employees ensure a high ......Consistently high and guaranteed quality creates customer satisfaction. WHM has been DIN ISO 9001 certified since 1995. Continuous vocational qualification courses and professional training of our employees ensure a high standard of knowledge and competence. Equity interests and Joint ventures : WHM is charter member and partner of Mulco - Europe EWIV. Mulco-Europe EWIV is a European cooperation between two manufacturers and 15 sales offices for the manufacture and marketing of Breco ®, Brecoflex ® and Synchroflex ® brand polyurethane timing belts, as well as synchronising disks and their components. WHM is a member of the Fetech Spring Technology Cooperation.