ASTM CORP. 848 Alvarado St. Binondo, Manila, Philippines 2443404, 2443410, 2443433 Roof & Roofing Materials
UNION GALVASTEEL CORPORATION Real, Calamba City, Philippines (02) 520-8548/520-8549-SALES/VP-Mktg (02) 520-8830-32-Trunkline (049) 545-0085 to 87-Trunkline Roof & Roofing Materials