- Electrical repair and maintenance
- Building repair and maintenance
- Chiller system, pump, piping system
- Air conditioner AHU and Split type
- Water supply, supply pump, piping
- Water drainage and waste water
- DI water system
- Toilet and sanitary system
- Spare parts prepare
- Machine PM & maintenance
- Maintain the records to comply with ISO/TS16949, ISO14001, OHSAS18001 and QC80000