MR. AMANTE B. DE CASTRO
Amante started working in the company as Senior Engineer for the Bacnotan Steel Project in Batangas. He worked for the company for 11 years until his voluntary resignation in 2008. After 2 years, he returned to the company as Senior Manager for the Taganito HPAL Project in Surigao Del Norte. To date, he completed most of the big projects of the company.
MR. MELVYN E. MALIG
Melvyn is one of the employees from Stracons Inc. that were retained by Riofil Corporation. After a brief employment abroad, he returned as a Manager for the Taganito HPAL Project in Surigao Del Norte. Today, he is a Manager under our Engineering Department (Civil, Jetty, Offshore and MSE retaining wall sections).