METAL HALKA
HYUNDAI MOTOR COMPANY, SENNEBOGEN HYDRAULIKBAGGER GMBH, HYDREMA, DOOSAN, CNH NEW HOLLAND, VOLVO, KOMATSU LTD., LIEBHERR GMBH, ATLAS-COPCO-DOMINE, TKS, HIDROMEK , VOLVO, HYUNDAI MOTOR COMPANY, VOLVO, FURUKAWA, JOHN DEERE, CATERPILLAR INC., CORTECO, ZF 2HL1