- PT Oriental Sari Mahkota Labour Services is an Indonesian labour service. We sent our labours to Malaysia, Singapore, Australia, Japan, Korea, Arab Emirates, Kuwait and many other countries. We provide labour and skilled workers from any kind of job for you such as housemaid, cleaning service, gardening, engineering, nurse, seashore oil company, etc. We also have many people looking for ...www.eastjava.com/labour/oriental