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, EN JS1049, 1.0460, 16Mo3, 13crmo4-5, 1.4541, 1.4571, ASTM materials Connection types: flanges, threaded sleeves, weld-on ends, weld-on bolting DN 15 to 100; 1/2" to 2" PN 16 to 160; ANSI 300 to 900
