PT. Surrama Tridaya Mandiri adalah perusahaan yang bergerak dalam bidang usaha importir , distributor alat-alat instrument : flowmeter, gas detector, control valve, safety valve, pressure reducing valve, dll
made out of EN-JL1040, 1.0460, 16Mo3, 1.4305, 1.4301, 1.4541, ASTM materials flanges, threaded sleeves, weld-on ends, weld-on bolting DN 15 to 50; 1/2" to 2" PN 6 to 40; ANSI 150 to 300
