Chemical Industry Directory of Malaysia Company Petroliam Nasional Berhad Level 78, Tower 1, Petronas Twin Towers  Kuala Lumpur City Centre  Kuala Lumpur  Malaysia  50088 Business Petrochemicals Contact Nos. Tel: 603-20515000 fax: 603-20516989 email: website: http://www.petronas.com.my  Contact Person Mr Yeow Kian Chai Web www.wtonetwork.com