PTK Clean provides a means of communication to stakeholders, especially Insan PTK to report complaints about unethical behavior, called Whistle Blowing System (WBS). Document of Whistle Blowing System (WBS) socialization can be downloaded here
WBS facilitates reporting to do with an anonymous and confidential, and is managed professionally for further action.
WBS means provided, names:
+62 21 3149715
+62 812 1989 1000
+62 21 390 3437
PTK Clean PO Box 1945 JKP 10019