Johannus & Ong Management Consulting Services
Johannus & Ong Management Consulting Services is a Sole Proprietor (management Consultancy Services (general)) business based company which address is Jalan Sultan Centre, Jalan Sultan, Singapore (198974) and incorporated on 20 May 1995 & UEN is 52799968K & SSIC code is 70201
- 52799968K
- 20 May 1995