AGEN : CHANGLING, DIEBOLT, FASSI, UHL, VICKERS, MAGNUM LIGHTNING TOWER.
WORKSHOP : PEMBUATAN FUEL TRUK, WATER TRUK, LUBE TRUK.
SUPPLIER : ALAT BERAT ( KOMATSU, CAT, HITACHI, KOBELCO )
TRUK ( MITSUBISHI, TOYOTA, HINO )
GENSET ( PERKINS, CUMMING )
TRAKTOR ( FORD, MF, JOHN DEERE )
ETC
