XL
ASTM A252
BRATA SENA
SNI 0039:2013 MEDIUM
API SPEC 5L
API SPEC 5CT
ASTM A53
ELECTRIC POLES AND TELEPHONE POLES
SNI 0068:2013 CLASS 2 PKB (STK) - 400
JIS G 3444 STK - 400
SIO
BOS