Crown Asia Chemicals Corporation announced the appointment of Walter H. Villanueva as Chairman /Group Head - Pipe Group /General Manager - PP-R/HDPE Division, Eugene H. Lee Villanueva as President & General Manager ­ Compounds Division, Tita P. Villanueva as Vice President – Comptroller, Nicasio T. Perez as Vice President – Treasurer, Derrick P. Villanueva as General Manager ­ PVC Pipe Division, Jason C. Nalupta as Corporate Secretary & Corporate Information Officer, Ria Carmela C. Cruz as Assistant Corporate Secretary, Hans Joseph. T. Perez as Assistant General Manager ­ PP-R/HDPE Pipe Division, Samuel Leonard S. Lee Villanueva as Assistant General Manager ­ Compounds Division.